diff --git a/2dlib/memsurf.cpp b/2dlib/memsurf.cpp
index cab2d97d..e27063e4 100644
--- a/2dlib/memsurf.cpp
+++ b/2dlib/memsurf.cpp
@@ -140,8 +140,6 @@ bool grMemorySurface::init(int w, int h, int bpp, char *data, int rowsize, unsig
 //	internal functions
 //	---------------------------------------------------------------------------
 
-static mem_bitmap grMemSurf_object;
-
 bool gr_bm_mem_Blt16(ddgr_surface *dsf, int dx, int dy, ddgr_surface *ssf, int sx, int sy, int sw, int sh);
 bool gr_bm_mem_Blt16ck(ddgr_surface *dsf, int dx, int dy, ddgr_surface *ssf, int sx, int sy, int sw, int sh);
 
diff --git a/2dlib/pentext.cpp b/2dlib/pentext.cpp
index 6d93fbc9..5c64ecb0 100644
--- a/2dlib/pentext.cpp
+++ b/2dlib/pentext.cpp
@@ -96,7 +96,6 @@
 
 #define STR_BUF_SIZE 512
 static char Str_buf[STR_BUF_SIZE];      // String buffer for variable arguments
-static char Draw_str_buf[STR_BUF_SIZE]; // used to buffer words in a string
 
 //	---------------------------------------------------------------------------
 //	Viewport font and text funcitons
diff --git a/bitmap/bitmain.cpp b/bitmap/bitmain.cpp
index bcaffd36..38586bf1 100644
--- a/bitmap/bitmain.cpp
+++ b/bitmap/bitmain.cpp
@@ -575,8 +575,6 @@ int bm_AllocNoMemBitmap(int w, int h) {
 // Searches thru all bitmaps for a specific name, returns -1 if not found
 // or index of bitmap with name
 int bm_FindBitmapName(const char *name) {
-  int num_counted = 0;
-
   bms_bitmap fbmp;
   strcpy(fbmp.name, name);
   bm_Node *fnode = bm_findNode(&fbmp);
@@ -641,8 +639,6 @@ int bm_TestName(const char *src) {
   strncpy(namedest, filename, limit);
   namedest[limit] = 0;
 
-  int cur_len = strlen(namedest);
-
   // Now, make sure there are no other bitmaps with this name
   strcat(namedest, ".ogf");
   if ((i = bm_FindBitmapName(namedest)) == -1)
@@ -652,7 +648,6 @@ int bm_TestName(const char *src) {
 // gets the filename from a path, plus appends our .ogf extension
 void bm_ChangeEndName(const char *src, char *dest) {
   uint32_t i, limit;
-  int last = -1;
   int curnum = -1;
   char namedest[256 + 16];
   char path[256], ext[256], filename[256];
diff --git a/bitmap/iff.cpp b/bitmap/iff.cpp
index de93cb28..acc87570 100644
--- a/bitmap/iff.cpp
+++ b/bitmap/iff.cpp
@@ -382,7 +382,7 @@ int bm_iff_parse_file(CFILE *ifile, iff_bitmap_header *bmheader, iff_bitmap_head
 
     switch (sig) {
     case IFF_SIG_FORM: {
-      int newsig = bm_iff_get_sig(ifile);
+      bm_iff_get_sig(ifile);
       bmheader->type = TYPE_PBM;
       break;
     }
diff --git a/grtext/grtext.cpp b/grtext/grtext.cpp
index c17af497..af90f252 100644
--- a/grtext/grtext.cpp
+++ b/grtext/grtext.cpp
@@ -760,7 +760,6 @@ int grtext_GetTextLineWidth(const char *str) {
   int line_width = 0, max_width = 0;
   int rgb_define_mode = 0;
   int strsize = strlen(str);
-  int line_idx = 0;
 
   for (int i = 0; i < strsize; i++) {
     int width;
diff --git a/libmve/mveplay.cpp b/libmve/mveplay.cpp
index 9df8560c..cd2267e4 100644
--- a/libmve/mveplay.cpp
+++ b/libmve/mveplay.cpp
@@ -174,7 +174,7 @@ static int create_audiobuf_handler(unsigned char major, unsigned char minor, uns
 
   int flags = get_ushort(data + 2);
   int sample_rate = get_ushort(data + 4);
-  int desired_buffer = get_int(data + 6);
+  // int desired_buffer = get_int(data + 6);
 
   int channels = (flags & MVE_AUDIO_FLAGS_STEREO) ? 2 : 1;
   int sample_size = (flags & MVE_AUDIO_FLAGS_16BIT) ? 2 : 1;
@@ -338,12 +338,12 @@ static int video_codemap_handler(unsigned char major, unsigned char minor, unsig
 static int video_data_handler(unsigned char major, unsigned char minor, unsigned char *data, int len, void *context) {
   unsigned char *temp;
 
-  short nFrameHot = get_short(data);
-  short nFrameCold = get_short(data + 2);
-  short nXoffset = get_short(data + 4);
-  short nYoffset = get_short(data + 6);
-  short nXsize = get_short(data + 8);
-  short nYsize = get_short(data + 10);
+  // short nFrameHot = get_short(data);
+  // short nFrameCold = get_short(data + 2);
+  // short nXoffset = get_short(data + 4);
+  // short nYoffset = get_short(data + 6);
+  // short nXsize = get_short(data + 8);
+  // short nYsize = get_short(data + 10);
   unsigned short nFlags = get_ushort(data + 12);
 
   if (nFlags & 1) {
diff --git a/manage/gamefilepage.cpp b/manage/gamefilepage.cpp
index 1c03e3e7..b3d4bcf4 100644
--- a/manage/gamefilepage.cpp
+++ b/manage/gamefilepage.cpp
@@ -76,7 +76,7 @@ int mng_ReadNewGamefilePage(CFILE *infile, mngs_gamefile_page *gamefilepage) {
   ASSERT(infile != NULL);
   memset(gamefilepage, 0, sizeof(mngs_gamefile_page));
 
-  int version = cf_ReadShort(infile);
+  /* int version = */ cf_ReadShort(infile);
 
   cf_ReadString(gamefilepage->gamefile_struct.name, PAGENAME_LEN, infile);
   cf_ReadString(gamefilepage->gamefile_struct.dir_name, PAGENAME_LEN, infile);
diff --git a/manage/manage.cpp b/manage/manage.cpp
index 97736b03..bf9d4b53 100644
--- a/manage/manage.cpp
+++ b/manage/manage.cpp
@@ -1480,7 +1480,7 @@ void mng_TransferPages() {
       continue;
     }
     pagetype = cf_ReadByte(infile);
-    int len = cf_ReadInt(infile);
+    /* int len = */ cf_ReadInt(infile);
     switch (pagetype) {
     case PAGETYPE_TEXTURE:
       mng_ReadNewTexturePage(infile, &texpage);
@@ -2208,7 +2208,7 @@ int mng_ReplacePage(char *srcname, char *destname, int handle, int dest_pagetype
 // If local is 1, deletes from the local table file
 int mng_DeletePage(char *name, int dest_pagetype, int local) {
   CFILE *infile, *outfile;
-  uint8_t pagetype, replaced = 0;
+  uint8_t pagetype;
   int done = 0;
   int deleted = 0;
 
diff --git a/manage/megapage.cpp b/manage/megapage.cpp
index abde9a3d..e0d03407 100644
--- a/manage/megapage.cpp
+++ b/manage/megapage.cpp
@@ -176,7 +176,7 @@ int mng_ReadNewMegacellPage(CFILE *infile, mngs_megacell_page *megacellpage) {
   int i;
   ASSERT(infile != NULL);
   memset(megacellpage, 0, sizeof(mngs_megacell_page));
-  int version = cf_ReadShort(infile);
+  /* int version = */ cf_ReadShort(infile);
 
   cf_ReadString(megacellpage->megacell_struct.name, PAGENAME_LEN, infile);
 
diff --git a/manage/pagelock.cpp b/manage/pagelock.cpp
index c5ca7152..74c21be6 100644
--- a/manage/pagelock.cpp
+++ b/manage/pagelock.cpp
@@ -225,7 +225,6 @@ void mng_InitPagelocks() {
 // Returns pointer to locker's name, or NULL if the file is unlocked
 char *mng_CheckIfLockerPresent() {
   CFILE *infile;
-  int i = 0;
   static char lockname[200];
 
   ASSERT(Network_up);
@@ -380,7 +379,6 @@ int mng_CheckIfPageLocked(mngs_Pagelock *pl) {
       r = 2;
     } else {
       if (!stricmp(pl->name, testlock.name)) {
-        int test = 0;
         if (pl->pagetype == testlock.pagetype) {
           if (!stricmp(testlock.holder, "UNLOCKED"))
             r = 0;
@@ -602,7 +600,7 @@ int mng_DeletePagelock(char *name, int pagetype) {
 // Given a list of names and a pagetype, deletes the ones already inside the lock file
 int mng_DeletePagelockSeries(char *names[], int num, int pagetype) {
   CFILE *infile, *outfile;
-  int done = 0, deleted = 0;
+  int done = 0;
   mngs_Pagelock temp_pl;
 
   infile = (CFILE *)cfopen(TableLockFilename, "rb");
@@ -656,7 +654,7 @@ int mng_DeletePagelockSeries(char *names[], int num, int pagetype) {
 // Goes through the pagelock table and deletes all duplicate entries
 int mng_DeleteDuplicatePagelocks() {
   CFILE *infile; //,*outfile;
-  int done = 0, deleted = 0;
+  int done = 0;
   mngs_Pagelock temp_pl;
   mngs_Pagelock *already_read;
   int num = 0, duplicates = 0, i;
@@ -727,7 +725,7 @@ int mng_UnlockPagelockSeries(const char *names[], int *pagetypes, int num) {
   memset(already_done, 0, 500);
 
   CFILE *infile, *outfile;
-  int done = 0, deleted = 0;
+  int done = 0;
   mngs_Pagelock temp_pl;
   int total = 0;
 
diff --git a/manage/soundpage.cpp b/manage/soundpage.cpp
index bab72d60..883631a5 100644
--- a/manage/soundpage.cpp
+++ b/manage/soundpage.cpp
@@ -221,7 +221,7 @@ void mng_WriteNewSoundPage(CFILE *outfile, mngs_sound_page *soundpage) {
 // Reads a sound page from an open file.  Returns 0 on error.
 int mng_ReadNewSoundPage(CFILE *infile, mngs_sound_page *soundpage) {
   ASSERT(infile != NULL);
-  int version = cf_ReadShort(infile);
+  /* int version = */ cf_ReadShort(infile);
   // read in name,rawfile name
   cf_ReadString(soundpage->sound_struct.name, PAGENAME_LEN, infile);
   cf_ReadString(soundpage->raw_name, PAGENAME_LEN, infile);
diff --git a/manage/texpage.cpp b/manage/texpage.cpp
index 53b4ae3c..581b53fa 100644
--- a/manage/texpage.cpp
+++ b/manage/texpage.cpp
@@ -762,9 +762,8 @@ int mng_ReadNewTexturePage(CFILE *infile, mngs_texture_page *texpage) {
 // If local is 1, deletes from the local table file
 int mng_DeleteTexPageSeries(char *names[], int num_textures, int local) {
   CFILE *infile, *outfile;
-  uint8_t pagetype, replaced = 0;
+  uint8_t pagetype;
   int done = 0;
-  int deleted = 0;
   memset(&texpage1, 0, sizeof(mngs_texture_page));
 
   if (local)
@@ -796,7 +795,7 @@ int mng_DeleteTexPageSeries(char *names[], int num_textures, int local) {
       continue;
     }
     pagetype = cf_ReadByte(infile);
-    int len = cf_ReadInt(infile);
+    /* int len = */ cf_ReadInt(infile);
 
     // If not a texture page, just read it in and write it right back out
     if (pagetype != PAGETYPE_TEXTURE) {
diff --git a/model/newstyle.cpp b/model/newstyle.cpp
index cf7d3940..aec00dee 100644
--- a/model/newstyle.cpp
+++ b/model/newstyle.cpp
@@ -510,7 +510,6 @@ inline void RenderSubmodelLightmapFace(poly_model *pm, bsp_info *sm, int facenum
 inline void RenderSubmodelFaceFogged(poly_model *pm, bsp_info *sm, int facenum) {
   g3Point *pointlist[100];
   polyface *fp = &sm->faces[facenum];
-  int modelnum = sm - pm->submodel;
   int t;
 
   for (t = 0; t < fp->nverts; t++) {
@@ -561,7 +560,6 @@ inline void RenderSubmodelFaceFogged(poly_model *pm, bsp_info *sm, int facenum)
 inline void RenderSubmodelFaceSpecular(poly_model *pm, bsp_info *sm, int facenum) {
   g3Point *pointlist[100];
   polyface *fp = &sm->faces[facenum];
-  int modelnum = sm - pm->submodel;
   int t;
   bool smooth = 0;
 
@@ -623,7 +621,6 @@ inline void RenderSubmodelFaceSpecular(poly_model *pm, bsp_info *sm, int facenum
 // Draws a glowing cone of light that represents thrusters
 void DrawThrusterEffect(vector *pos, float r, float g, float b, vector *norm, float size, float length) {
   vector cur_pos = *pos;
-  float cur_length = 0;
   vector glow_pos[MAX_PARTS];
   float glow_size[MAX_PARTS];
   int total_parts = 0;
@@ -702,7 +699,6 @@ void RenderSubmodelFacesSorted(poly_model *pm, bsp_info *sm) {
 
   int rcount;
   int model_render_order[MAX_POLYGON_VECS];
-  int modelnum = sm - pm->submodel;
 
   ASSERT(sm->nverts < MAX_POLYGON_VECS);
 
diff --git a/model/polymodel.cpp b/model/polymodel.cpp
index 1bec6b1b..da3615a7 100644
--- a/model/polymodel.cpp
+++ b/model/polymodel.cpp
@@ -2441,8 +2441,6 @@ void SetModelAngles(poly_model *po, const float *normalized_angles) {
 
         // Now do a parametric adjustment on the angles
 
-        int cur_angle = 0;
-
         // If we're already at the high point of the interpolation then just
         // stuff some values
         if (cur_state == po->num_key_angles - 1) {
@@ -2555,7 +2553,6 @@ void SetModelInterpPos(poly_model *po, const float *normalized_pos) {
 
       // Now do a parametric adjustment on the positions
 
-      vector total_delta_pos = {0, 0, 0};
       vector subpos;
       vector final_pos;
 
@@ -3122,7 +3119,6 @@ int CountFacesInPolymodel(poly_model *pm) {
 // of that point
 void GetPolyModelPointInWorld(vector *dest, poly_model *pm, vector *wpos, matrix *orient, int subnum, vector *pos,
                               vector *norm) {
-  bsp_info *sm = &pm->submodel[subnum];
   float normalized_time[MAX_SUBOBJECTS];
   int i;
 
@@ -3174,8 +3170,6 @@ void GetPolyModelPointInWorld(vector *dest, poly_model *pm, vector *wpos, matrix
 
 void GetPolyModelPointInWorld(vector *dest, poly_model *pm, vector *wpos, matrix *orient, int subnum,
                               float *normalized_time, vector *pos, vector *norm) {
-  bsp_info *sm = &pm->submodel[subnum];
-
   ASSERT(!(pm->flags & PMF_NOT_RESIDENT));
 
   if (!pm->new_style)
diff --git a/module/module.cpp b/module/module.cpp
index 121b6907..8dd72560 100644
--- a/module/module.cpp
+++ b/module/module.cpp
@@ -233,7 +233,6 @@ bool mod_FreeModule(module *handle) {
 // mod_GetLastError to see if there was an error symstr is the name of the function you want to get the symbol for (Do
 // NOT give any pre/suffix to this name) parmbytes is the size (in bytes) of the parameter list the function should have
 MODPROCADDRESS mod_GetSymbol(module *handle, const char *symstr, uint8_t parmbytes) {
-  char buffer[256];
   MODPROCADDRESS sym;
   if (!handle) {
     ModLastError = MODERR_INVALIDHANDLE;
@@ -248,6 +247,7 @@ MODPROCADDRESS mod_GetSymbol(module *handle, const char *symstr, uint8_t parmbyt
     return nullptr;
   }
 #if defined(WIN32)
+  char buffer[256];
   // We need to first form the correct symbol name (for Windows)
   if (parmbytes == 255)
     sprintf(buffer, "%s", symstr);
diff --git a/netcon/descent3onlineclient/odtclient.cpp b/netcon/descent3onlineclient/odtclient.cpp
index 195eb899..39529875 100644
--- a/netcon/descent3onlineclient/odtclient.cpp
+++ b/netcon/descent3onlineclient/odtclient.cpp
@@ -440,7 +440,7 @@ int MainMultiplayerMenu() {
 
   // void HotSpotCreate(int item,int parentitem, int id, int key, int txtitemoff, int txtitemon, int x, int y, int w,
   // int h, int flags,int winnum)
-  void *exit_hs = DLLHotSpotCreate(main_wnd, 5, KEY_ESC, exit_off_text, exit_on_text, 33, 427, 70, 15, 0);
+  /* void *exit_hs = */ DLLHotSpotCreate(main_wnd, 5, KEY_ESC, exit_off_text, exit_on_text, 33, 427, 70, 15, 0);
 
   void *priv_hs = DLLHotSpotCreate(main_wnd, 6, 0, priv_msg_off_text, priv_msg_on_text, 328, 403, 170, 15, 0);
 
@@ -1188,7 +1188,7 @@ int SearchMasterTrackerGameMenu() {
   // Menu loop
   while (!exit_menu) {
     if (ChatStarted)
-      const char *p = GetChatText();
+      GetChatText();
 
     DLLDescentDefer();
 
diff --git a/netcon/inetfile/CFtp.cpp b/netcon/inetfile/CFtp.cpp
index dfeef42b..6fe9f500 100644
--- a/netcon/inetfile/CFtp.cpp
+++ b/netcon/inetfile/CFtp.cpp
@@ -134,7 +134,6 @@ CFtpGet::CFtpGet(char *URL, char *localfile, char *Username, char *Password) {
   }
   m_ListenSock = socket(AF_INET, SOCK_STREAM, 0);
   if (INVALID_SOCKET == m_ListenSock) {
-    int iWinsockErr = WSAGetLastError();
     m_State = FTP_STATE_SOCKET_ERROR;
     return;
   } else {
@@ -145,7 +144,6 @@ CFtpGet::CFtpGet(char *URL, char *localfile, char *Username, char *Password) {
     // Bind the listen socket
     if (bind(m_ListenSock, (SOCKADDR *)&listensockaddr, sizeof(SOCKADDR))) {
       // Couldn't bind the socket
-      int iWinsockErr = WSAGetLastError();
       m_State = FTP_STATE_SOCKET_ERROR;
       return;
     }
@@ -153,7 +151,6 @@ CFtpGet::CFtpGet(char *URL, char *localfile, char *Username, char *Password) {
     // Listen for the server connection
     if (listen(m_ListenSock, 1)) {
       // Couldn't listen on the socket
-      int iWinsockErr = WSAGetLastError();
       m_State = FTP_STATE_SOCKET_ERROR;
       return;
     }
@@ -339,7 +336,6 @@ uint32_t CFtpGet::GetFile() {
   close(m_ListenSock);
 #endif
   if (m_DataSock == INVALID_SOCKET) {
-    int iWinsockErr = WSAGetLastError();
     m_State = FTP_STATE_SOCKET_ERROR;
     return 0;
   }
@@ -363,7 +359,6 @@ uint32_t CFtpGet::IssuePort() {
   // Get the address for the hListenSocket
   iLength = sizeof(listenaddr);
   if (getsockname(m_ListenSock, (SOCKADDR *)&listenaddr, &iLength) == SOCKET_ERROR) {
-    int iWinsockErr = WSAGetLastError();
     m_State = FTP_STATE_SOCKET_ERROR;
     return 0;
   }
@@ -374,7 +369,6 @@ uint32_t CFtpGet::IssuePort() {
   // Now, reuse the socket address structure to
   // get the IP address from the control socket.
   if (getsockname(m_ControlSock, (SOCKADDR *)&listenaddr, &iLength) == SOCKET_ERROR) {
-    int iWinsockErr = WSAGetLastError();
     m_State = FTP_STATE_SOCKET_ERROR;
     return 0;
   }
@@ -411,7 +405,6 @@ uint32_t CFtpGet::IssuePort() {
     if (nReplyCode != 250 || (ReadFTPServerReply() != 200)) // ummmmmmmm
 #endif
     {
-      int iWinsockErr = WSAGetLastError();
       m_State = FTP_STATE_SOCKET_ERROR;
       return 0;
     }
@@ -445,7 +438,6 @@ int CFtpGet::ConnectControlSocket() {
     return 0;
   // Now we will connect to the host
   if (connect(m_ControlSock, (SOCKADDR *)&hostaddr, sizeof(SOCKADDR))) {
-    int iWinsockErr = WSAGetLastError();
     m_State = FTP_STATE_CANT_CONNECT;
     return 0;
   }
@@ -479,7 +471,6 @@ uint32_t CFtpGet::SendFTPCommand(char *command) {
   FlushControlChannel();
   // Send the FTP command
   if (SOCKET_ERROR == (send(m_ControlSock, command, strlen(command), 0))) {
-    int iWinsockErr = WSAGetLastError();
     // Return 999 to indicate an error has occurred
     return (999);
   }
@@ -579,7 +570,6 @@ uint32_t CFtpGet::ReadDataChannel() {
 void CFtpGet::FlushControlChannel() {
   fd_set read_fds;
   TIMEVAL timeout;
-  int bytesin = 0;
   char flushbuff[3];
 
   timeout.tv_sec = 0;
diff --git a/netcon/mtclient/mt_net.cpp b/netcon/mtclient/mt_net.cpp
index ba3122f8..d8c669e2 100644
--- a/netcon/mtclient/mt_net.cpp
+++ b/netcon/mtclient/mt_net.cpp
@@ -182,7 +182,6 @@ void InitMTSockets() {
   }
 
   {
-    static HOSTENT lhe;
     memset(&sockaddr, 0, sizeof(SOCKADDR_IN));
     gtrackaddr.sin_family = AF_INET;
     gtrackaddr.sin_addr.s_addr = INADDR_ANY;
diff --git a/netcon/mtclient/mtclient.cpp b/netcon/mtclient/mtclient.cpp
index bb30d5d7..31476caf 100644
--- a/netcon/mtclient/mtclient.cpp
+++ b/netcon/mtclient/mtclient.cpp
@@ -1094,7 +1094,7 @@ int MainMultiplayerMenu() {
 
   // void HotSpotCreate(int item,int parentitem, int id, int key, int txtitemoff, int txtitemon, int x, int y, int w,
   // int h, int flags,int winnum)
-  void *exit_hs = DLLHotSpotCreate(main_wnd, 5, KEY_ESC, exit_off_text, exit_on_text, 33, 427, 70, 15, 0);
+  /* void *exit_hs = */ DLLHotSpotCreate(main_wnd, 5, KEY_ESC, exit_off_text, exit_on_text, 33, 427, 70, 15, 0);
 
   void *priv_hs = DLLHotSpotCreate(main_wnd, 6, 0, priv_msg_off_text, priv_msg_on_text, 328, 403, 170, 15, 0);
 
@@ -1371,7 +1371,6 @@ int MainMultiplayerMenu() {
 
             memset(fmtchan, 0, 500);
 
-            int textx = 0;
             int charpos = 0;
             int endpos;
 #define LIST_ROW1 90
@@ -1737,7 +1736,6 @@ int SearchMasterTrackerGameMenu() {
   int i = 0;
   float last_req_time;
   char selgame[200];
-  void *selti = nullptr;
   void *return_text_on = DLLCreateNewUITextItem(TXT_PXO_RETURNTOCHAT, UICOL_HOTSPOT_HI);
   void *return_text_off = DLLCreateNewUITextItem(TXT_PXO_RETURNTOCHAT, UICOL_HOTSPOT_LO);
   void *game_head_text = DLLCreateNewUITextItem(TXT_PXO_GAMELISTHDR, UICOL_TEXT_NORMAL);
@@ -1844,7 +1842,6 @@ int SearchMasterTrackerGameMenu() {
   DLLNewUIWindowLoadBackgroundImage(main_wnd, "pxogame.ogf");
   DLLNewUIWindowOpen(main_wnd);
   *DLLNum_network_games_known = 0;
-  int lastgamesfound = 0;
   int itemp;
   last_req_time = DLLtimer_GetTime();
   RequestGameList();
@@ -1854,7 +1851,7 @@ int SearchMasterTrackerGameMenu() {
   // Menu loop
   while (!exit_menu) {
     if (ChatStarted)
-      const char *p = GetChatText();
+      GetChatText();
 
     DLLDescentDefer();
     IdleGameTracker();
diff --git a/netgames/anarchy/anarchy.cpp b/netgames/anarchy/anarchy.cpp
index 8c093415..54f9a00a 100644
--- a/netgames/anarchy/anarchy.cpp
+++ b/netgames/anarchy/anarchy.cpp
@@ -822,7 +822,6 @@ void DisplayHUDScores(struct tHUDItem *hitem) {
   int height = DLLgrfont_GetHeight((DMFCBase->GetGameFontTranslateArray())[HUD_FONT_INDEX]) + 3;
   uint8_t alpha = DMFCBase->ConvertHUDAlpha((uint8_t)((DisplayScoreScreen) ? 128 : 255));
   int y = (DMFCBase->GetGameWindowH() / 2) - ((height * 5) / 2);
-  int x = 520;
   ddgr_color color = 0;
 
   int rank = 1;
diff --git a/netgames/ctf/ctf.cpp b/netgames/ctf/ctf.cpp
index ce558f9b..c3b1779c 100644
--- a/netgames/ctf/ctf.cpp
+++ b/netgames/ctf/ctf.cpp
@@ -859,7 +859,6 @@ void OnClientCollide(uint8_t *data) {
   int pnum = me_obj->id;                     // player number
   int pteam = DMFCBase->GetPlayerTeam(pnum); // player's team
   int i;
-  bool play_return_home_msg = false;
 
   for (i = 0; i < CTFNumOfTeams; i++) {
     if (it_obj->id == FlagIDs[i])
@@ -876,7 +875,6 @@ void OnClientCollide(uint8_t *data) {
 
   // Did player collide with his own team's flag?
   if (fteam == pteam) {
-    int16_t flag_count = 0;
     vector fpos;
     int groom;
     int flagcount;
@@ -963,7 +961,6 @@ void OnClientCollide(uint8_t *data) {
 
         TeamScores[pteam] += score;
         OverallTeamScores[pteam] += score;
-        int newscore = TeamScores[pteam];
 
         switch (flagcount) {
         case 1: {
@@ -1121,7 +1118,6 @@ void OnClientLevelEnd(void) { DMFCBase->OnClientLevelEnd(); }
 
 void OnPlayerChangeTeam(int player_num, int newteam, bool announce, bool spew_onrespawn) {
   DMFCBase->OnPlayerChangeTeam(player_num, newteam, announce, spew_onrespawn);
-  player_record *pr = DMFCBase->GetPlayerRecordByPnum(player_num);
 }
 
 // OnClientPlayerKilled
@@ -2183,8 +2179,6 @@ bool AddFlagToPlayer(int pnum, int team, int flagobjnum) {
 //	RemoveFlagFromPlayer
 //	removes a flag from a player
 bool RemoveFlagFromPlayer(int pnum, int team) {
-  int flagobjnum = -1;
-
   if (DMFCBase->GetLocalRole() == LR_SERVER) {
 
     if (ChildFlags[team] == OBJECT_HANDLE_NONE)
diff --git a/netgames/dmfc/dmfcinputcommand.cpp b/netgames/dmfc/dmfcinputcommand.cpp
index 6be7eb62..a5d351f4 100644
--- a/netgames/dmfc/dmfcinputcommand.cpp
+++ b/netgames/dmfc/dmfcinputcommand.cpp
@@ -921,7 +921,6 @@ void DMFCInputCommand_Piggyback(const char *input_string) {
   }
 
   char s[20];
-  bool turn_on = true;
   object *pobj;
   int pnum = basethis->GetPlayerNum();
   pobj = &basethis->Objects[basethis->Players[pnum].objnum];
diff --git a/netgames/entropy/EntropyBase.cpp b/netgames/entropy/EntropyBase.cpp
index f03c6125..db53a01b 100644
--- a/netgames/entropy/EntropyBase.cpp
+++ b/netgames/entropy/EntropyBase.cpp
@@ -1738,7 +1738,6 @@ void DisplayWelcomeMessage(int player_num) {
 }
 
 void OnLabSpewTimer(void) {
-  int max_rooms = DMFCBase->GetHighestRoomIndex() + 1;
   int objnum;
   int index;
   int virus_count;
diff --git a/netgames/hoard/hoard.cpp b/netgames/hoard/hoard.cpp
index 9dc343f1..2149f715 100644
--- a/netgames/hoard/hoard.cpp
+++ b/netgames/hoard/hoard.cpp
@@ -74,7 +74,6 @@
 
 IDMFC *DMFCBase = NULL;
 static IDmfcStats *dstat = NULL;
-static IMenuItem *OSMenuSave = NULL;
 static object *dObjects = NULL;
 static player *dPlayers = NULL;
 
@@ -1268,7 +1267,6 @@ void DisplayHUDScores(struct tHUDItem *hitem) {
   if (DisplayScoreScreen)
     return;
 
-  int x = 520;
   int height = DLLgrfont_GetHeight((DMFCBase->GetGameFontTranslateArray())[HUD_FONT_INDEX]) + 3;
   uint8_t alpha = DMFCBase->ConvertHUDAlpha((uint8_t)((DisplayScoreScreen) ? 128 : 255));
   int y = (DMFCBase->GetGameWindowH() / 2) - ((height * 5) / 2);
diff --git a/netgames/hyperanarchy/hyperanarchy.cpp b/netgames/hyperanarchy/hyperanarchy.cpp
index 7830b472..11dac65e 100644
--- a/netgames/hyperanarchy/hyperanarchy.cpp
+++ b/netgames/hyperanarchy/hyperanarchy.cpp
@@ -1149,7 +1149,6 @@ void DisplayHUDScores(struct tHUDItem *hitem) {
   int height = DLLgrfont_GetHeight((DMFCBase->GetGameFontTranslateArray())[HUD_FONT_INDEX]) + 3;
   uint8_t alpha = DMFCBase->ConvertHUDAlpha((uint8_t)((DisplayScoreScreen) ? 128 : 255));
   int y = (DMFCBase->GetGameWindowH() / 2) - ((height * 5) / 2);
-  int x = 510;
   int rank = 1;
   ddgr_color color = 0;
   bool hasorb;
diff --git a/netgames/monsterball/monsterball.cpp b/netgames/monsterball/monsterball.cpp
index eb333184..5a28bae4 100644
--- a/netgames/monsterball/monsterball.cpp
+++ b/netgames/monsterball/monsterball.cpp
@@ -262,7 +262,6 @@ static int Highlight_bmp;
 static int LastHitPnum = -1;
 
 static bool players_sorted = false; // the Sorted*[] have been sorted
-static bool DisplayPowerBBlink = true;
 static bool DisplayScoreBlink = true;
 static bool DisplayScoreScreen = false;
 static bool display_my_welcome = false;
@@ -1696,8 +1695,6 @@ void DisplayHUDScores(struct tHUDItem *hitem) {
   int score_width = DLLgrtext_GetTextLineWidth("888");
   int name_x = DMFCBase->GetGameWindowW() - name_width - score_width - 10;
   int score_x = DMFCBase->GetGameWindowW() - score_width - 5;
-  int icon_size = height - 3;
-  int icon_x = name_x - icon_size - 3;
   DLLgrtext_SetAlpha(alpha);
   char name[256];
 
@@ -1921,9 +1918,6 @@ void HandleMonsterballCollideWithWeapon(object *ball, weapon_collide_info *winfo
 
 void bump_object(object *object0, vector *rotvel, vector *velocity, vector *pos, matrix *orient, float mass, float size,
                  vector *collision_point, vector *collision_normal, float rot_scalar, float vel_scalar) {
-  object *t = NULL;
-  object *other = NULL;
-
   ASSERT(std::isfinite(rotvel->x));
   ASSERT(std::isfinite(rotvel->y));
   ASSERT(std::isfinite(rotvel->z));
diff --git a/netgames/roboanarchy/roboanarchy.cpp b/netgames/roboanarchy/roboanarchy.cpp
index 678c3fbc..e49f1b07 100644
--- a/netgames/roboanarchy/roboanarchy.cpp
+++ b/netgames/roboanarchy/roboanarchy.cpp
@@ -817,7 +817,6 @@ void DisplayHUDScores(struct tHUDItem *hitem) {
   int height = DLLgrfont_GetHeight((DMFCBase->GetGameFontTranslateArray())[HUD_FONT_INDEX]) + 3;
   uint8_t alpha = DMFCBase->ConvertHUDAlpha((uint8_t)((DisplayScoreScreen) ? 128 : 255));
   int y = (DMFCBase->GetGameWindowH() / 2) - ((height * 5) / 2);
-  int x = 520;
   ddgr_color color;
 
   int rank = 1;
diff --git a/networking/networking.cpp b/networking/networking.cpp
index 20338821..04f4d12e 100644
--- a/networking/networking.cpp
+++ b/networking/networking.cpp
@@ -408,9 +408,6 @@ static int16_t Packet_free_list[MAX_PACKET_BUFFERS];               // contains i
 static int Num_packet_buffers;
 static int Largest_packet_index = 0;
 
-static int Uncompressed_outgoing_data_len = 0;
-static int Compressed_outgoing_data_len = 0;
-
 int Next_packet_id;
 int Last_packet_id;
 
@@ -466,8 +463,6 @@ struct reliable_net_rcvbuffer {
   uint8_t buffer[NETBUFFERSIZE];
 };
 
-static SOCKET Reliable_UDP_socket = INVALID_SOCKET;
-
 static float first_sent_iamhere = 0;
 static float last_sent_iamhere = 0;
 
@@ -577,14 +572,7 @@ void nw_InitNetworking(int iReadBufSizeOverride) {
   WORD ver = MAKEWORD(1, 1);
 #endif
 
-  static char exewithpath[_MAX_PATH * 2];
-  static char exefile[_MAX_PATH * 2];
-  static char ourargs[_MAX_PATH * 2];
-  static char exedir[_MAX_PATH * 2];
-  static char exeext[_MAX_PATH];
-  static char *fixdir;
   static char szconntype[100];
-  int parmlen;
   int len = 99;
   Database->read("NetworkConnection", szconntype, &len);
   if (stricmp(szconntype, "DIALUP") == 0) {
@@ -612,10 +600,17 @@ void nw_InitNetworking(int iReadBufSizeOverride) {
   }
 #ifdef WIN32
   if (!dp_DidLobbyLaunchGame()) {
+    static char exewithpath[_MAX_PATH * 2];
+    static char exefile[_MAX_PATH * 2];
+    static char ourargs[_MAX_PATH * 2];
+    static char exedir[_MAX_PATH * 2];
+    static char exeext[_MAX_PATH];
+    static char *fixdir;
+
     // Tell direct play about this game
     char *p = GetCommandLine();
     LOG_DEBUG.printf("Command line: %s", p);
-    parmlen = strlen(p);
+    int parmlen = strlen(p);
 
     int a;
     for (a = 0; a < parmlen; ++a) {
@@ -851,7 +846,6 @@ void nw_GetNumbersFromHostAddress(network_address *address, char *str) {
 // returns the ip address of this computer
 uint32_t nw_GetThisIP() {
   SOCKADDR_IN local_address;
-  int address_size = sizeof(SOCKADDR);
 
   if (Net_fixed_ip != INADDR_NONE) {
     return Net_fixed_ip;
@@ -1078,7 +1072,6 @@ int nw_SendReliable(uint32_t socketid, uint8_t *data, int length, bool urgent) {
   int use_buffer = -1;
   reliable_socket *rsocket;
   reliable_header send_header;
-  int send_this_packet = 1;
 
   if (length == 0) {
     LOG_ERROR << "Attempting to send 0 byte network packet in nw_SendReliable()";
@@ -1252,12 +1245,9 @@ void nw_DoNetworkIdle(void) {
 
 void nw_WorkReliable(uint8_t *data, int len, network_address *naddr) {
   int i;
-  int rcode = -1;
   int16_t max_len = NETBUFFERSIZE;
   static reliable_header rcv_buff;
   static SOCKADDR rcv_addr;
-  int bytesin = 0;
-  int addrlen = sizeof(SOCKADDR);
   uint32_t rcvid; // The id of who we actually received a packet from, as opposed to socketid parm
 
   if (NP_TCP == naddr->connection_type) {
@@ -2505,11 +2495,6 @@ int nw_DoReceiveCallbacks(void) {
 void nw_ReliableResend(void) {
   int i, j;
   int rcode = -1;
-  int16_t max_len = NETBUFFERSIZE;
-  static reliable_header rcv_buff;
-  static SOCKADDR rcv_addr;
-  int bytesin = 0;
-  int addrlen = sizeof(SOCKADDR);
   reliable_socket *rsocket = NULL;
   // Go through each reliable socket that is connected and do any needed work.
   for (j = 0; j < MAXRELIABLESOCKETS; j++) {
diff --git a/physics/collide.cpp b/physics/collide.cpp
index ec059dc7..77c52fd2 100644
--- a/physics/collide.cpp
+++ b/physics/collide.cpp
@@ -1573,7 +1573,6 @@ void ConvertAxisAmountToEuler(vector *n, float *w, vector *e) {
   float t;
 
   float scale = *w / .0001f;
-  float w_n = .0001f;
   vector s_result;
 
   if (*w == 0.0f) {
@@ -2159,7 +2158,6 @@ void collide_generic_and_weapon(object *robotobj, object *weapon, vector *collis
   float damage_to_apply;
   uint8_t electrical = (Weapons[weapon->id].flags & WF_ELECTRICAL) ? 1 : 0;
   bool f_stick = ((weapon->mtype.phys_info.flags & PF_STICK) != 0);
-  bool f_energy = ((Weapons[weapon->id].flags & WF_MATTER_WEAPON) == 0);
   int damage_type;
 
   // Check for lava & volatile surfaces on an object
diff --git a/physics/findintersection.cpp b/physics/findintersection.cpp
index bedcd077..d52cde6d 100644
--- a/physics/findintersection.cpp
+++ b/physics/findintersection.cpp
@@ -2123,7 +2123,6 @@ int fvi_QuickDistObjectList(vector *pos, int init_room_index, float rad, int16_t
   fvi_wall_max_xyz = fvi_max_xyz;
 
   if (ROOMNUM_OUTSIDE(init_room_index)) {
-    int num_cells = 0;
     int next_y_delta;
     int xstart, xend, ystart, yend;
     int check_x, check_y;
@@ -3326,7 +3325,6 @@ void check_hit_obj(int objnum) {
   vector hit_point;
   float cur_dist;
   const object *obj = &Objects[objnum];
-  bool f_x = false;
   int collision_type;
   int m_obj_index = fvi_query_ptr->thisobjnum;
   object *m_obj = &Objects[m_obj_index];
@@ -4461,7 +4459,6 @@ int fvi_room(int room_index, int from_portal, int room_obj) {
   int portal_num;
   //	vector col_point[32];
   //	vector col_normal[32];
-  int num_cols = 0;
   object *this_obj;
   uint8_t msector = 0;
 
diff --git a/physics/physics.cpp b/physics/physics.cpp
index 31badcd1..e2c23b41 100644
--- a/physics/physics.cpp
+++ b/physics/physics.cpp
@@ -1948,7 +1948,6 @@ void do_walking_sim(object *obj) {
   vector total_force = Zero_vector; // Constant force acting on an object
 
   bool f_continue_sim;            // Should we run another simulation loop
-  bool f_start_fvi_record = true; // Records the rooms that are passed thru
 
   poly_model *pm = &Poly_models[obj->rtype.pobj_info.model_num];
 
@@ -1974,8 +1973,6 @@ void do_walking_sim(object *obj) {
   obj->flags &= (~OF_STOPPED_THIS_FRAME);
 
   // Do rotation velocity/accel stuff
-  bool f_rotated = false;
-
   if (!(fabs(pi->velocity.x) > .000001 || fabs(pi->velocity.y) > .000001 || fabs(pi->velocity.z) > .000001 ||
         fabs(pi->thrust.x) > .000001 || fabs(pi->thrust.y) > .000001 || fabs(pi->thrust.z) > .000001 ||
         fabs(pi->rotvel.x) > .000001 || fabs(pi->rotvel.y) > .000001 || fabs(pi->rotvel.z) > .000001 ||
diff --git a/ui/UIListBox.cpp b/ui/UIListBox.cpp
index 6db8e369..5882ec6f 100644
--- a/ui/UIListBox.cpp
+++ b/ui/UIListBox.cpp
@@ -696,8 +696,6 @@ void UIListBox::OnDraw() {
 
 //	behavior when key is pressed.
 void UIListBox::OnKeyDown(int key) {
-  UIGadget *gadget = this;
-
   if (key == KEY_UP) {
     if (m_SelectedIndex > 0) {
       if (m_SelectedIndex == m_Index)
@@ -837,7 +835,6 @@ void UIListBox::OnUserProcess() {
 // check if x and y selection hits a selected item.
 bool UIListBox::MseCheckSelect(int x, int y) {
   int i, ty;
-  bool use_scroll = !(m_Flags & UILB_NOSCROLL);
 
   if (!m_NumItems)
     return false;
diff --git a/ui/UISystem.cpp b/ui/UISystem.cpp
index 6fe0b005..00ed5cd3 100644
--- a/ui/UISystem.cpp
+++ b/ui/UISystem.cpp
@@ -539,8 +539,6 @@ bool ui_HideCursor() {
 }
 //	set user interface screen resolution
 void ui_SetScreenMode(int w, int h) {
-  int old_w = UI_screen_width;
-  int old_h = UI_screen_height;
   UI_screen_width = w;
   UI_screen_height = h;
   UI_aspect_x = (float)w / (float)FIXED_SCREEN_WIDTH;