diff --git a/lib/3d.h b/lib/3d.h
index b79bfd48..0c1fdd5c 100644
--- a/lib/3d.h
+++ b/lib/3d.h
@@ -259,14 +259,6 @@ struct g3Point {
 
 // Functions in library
 
-// 3d system startup and shutdown:
-
-// initialize the 3d system
-void g3_Init(void);
-
-// close down the 3d system
-void g3_Close(void);
-
 // Frame setup functions:
 
 // start the frame, specifying view position, matrix, & zoom
diff --git a/renderer/HardwareSetup.cpp b/renderer/HardwareSetup.cpp
index c0daea47..da1bcf64 100644
--- a/renderer/HardwareSetup.cpp
+++ b/renderer/HardwareSetup.cpp
@@ -26,12 +26,6 @@
 // User-specified aspect ratio, stored as w/h
 static float sAspect = 0.0f;
 
-// initialize the 3d system
-void g3_Init(void) { atexit(g3_Close); }
-
-// close down the 3d system
-void g3_Close(void) {}
-
 // allows the user to specify an aspect ratio that overrides the renderer's
 // The parameter is the w/h of the screen pixels
 void g3_SetAspectRatio(float aspect) { sAspect = aspect; }