diff --git a/renderer/HardwareOpenGL.cpp b/renderer/HardwareOpenGL.cpp
index fc36d0f7..ef0aa0fe 100644
--- a/renderer/HardwareOpenGL.cpp
+++ b/renderer/HardwareOpenGL.cpp
@@ -262,8 +262,6 @@ void opengl_SetDefaults() {
   gpu_state.cur_alpha_type = AT_TEXTURE;
 
   // Enable some states
-  dglAlphaFunc(GL_GREATER, 0);
-  dglEnable(GL_ALPHA_TEST);
   dglEnable(GL_BLEND);
   dglEnable(GL_DITHER);
   opengl_Blending_on = true;
@@ -302,8 +300,6 @@ void opengl_SetDefaults() {
     dglClientActiveTextureARB(GL_TEXTURE0_ARB + 0);
 
     dglDisable(GL_TEXTURE_2D);
-    dglAlphaFunc(GL_GREATER, 0);
-    dglEnable(GL_ALPHA_TEST);
     dglEnable(GL_BLEND);
     dglEnable(GL_DITHER);
     dglBlendFunc(GL_DST_COLOR, GL_ZERO);
diff --git a/renderer/dyna_gl.h b/renderer/dyna_gl.h
index 9f13d2df..1141b8d4 100644
--- a/renderer/dyna_gl.h
+++ b/renderer/dyna_gl.h
@@ -146,7 +146,6 @@ static module *LoadOpenGLDLL(const char *dllname) {
 #define DYNAEXTERN(Name) extern FnPtr<decltype(Name)> const d##Name
 #endif
 
-DYNAEXTERN(glAlphaFunc);
 DYNAEXTERN(glBegin);
 DYNAEXTERN(glBindTexture);
 DYNAEXTERN(glBlendFunc);