diff --git a/src/win32/MainWndOptions.cpp b/src/win32/MainWndOptions.cpp
index 22e7e6a7..7a47b68c 100644
--- a/src/win32/MainWndOptions.cpp
+++ b/src/win32/MainWndOptions.cpp
@@ -585,21 +585,6 @@ void MainWnd::OnUpdateOptionsVideoRenderoptionsGlbilinear(CCmdUI* pCmdUI)
   pCmdUI->SetCheck(theApp.glFilter == 1);
 }
 
-void MainWnd::OnOptionsVideoRenderoptionsGlanisotropic() 
-{
-	theApp.glFilter = 2;
-	if( theApp.display ) {
-		theApp.display->setOption( _T("glFilter"), theApp.glFilter );
-	}
-}
-
-
-void MainWnd::OnUpdateOptionsVideoRenderoptionsGlanisotropic(CCmdUI* pCmdUI) 
-{
-  pCmdUI->SetCheck(theApp.glFilter == 2);
-}
-
-
 void MainWnd::OnOptionsVideoRenderoptionsGltriangle() 
 {
 	theApp.glType = 0;
diff --git a/src/win32/OpenGL.cpp b/src/win32/OpenGL.cpp
index 8a393776..adc588b2 100644
--- a/src/win32/OpenGL.cpp
+++ b/src/win32/OpenGL.cpp
@@ -35,10 +35,6 @@
 #include <gl/glext.h>
 typedef BOOL (APIENTRY *PFNWGLSWAPINTERVALFARPROC)( int );
 
-#ifndef GL_TEXTURE_MAX_ANISOTROPY_EXT
-	#define GL_TEXTURE_MAX_ANISOTROPY_EXT 0x84FE
-#endif
-
 extern int Init_2xSaI(u32);
 extern void winlog(const char *,...);
 extern int systemSpeed;
@@ -497,13 +493,6 @@ void OpenGLDisplay::updateFiltering( int value )
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
 		glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
 		break;
-	case 2:
-		float largest_supported_anisotropy;
-	    glGetFloatv(GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, &largest_supported_anisotropy);
-	    glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAX_ANISOTROPY_EXT, largest_supported_anisotropy);
-		break;
-
-
 	}
 	
 	glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP );
diff --git a/src/win32/VBA.rc b/src/win32/VBA.rc
index 8d2d81d1..f5cded1b 100644
--- a/src/win32/VBA.rc
+++ b/src/win32/VBA.rc
@@ -1552,7 +1552,6 @@ BEGIN
                 MENUITEM "&OpenGL",                     ID_OPTIONS_VIDEO_RENDERMETHOD_OPENGL
                 MENUITEM "   Filter: Nearest",          ID_OPTIONS_VIDEO_RENDEROPTIONS_GLNEAREST
                 MENUITEM "   Filter: Bilinear",         ID_OPTIONS_VIDEO_RENDEROPTIONS_GLBILINEAR
-                MENUITEM "   Filter: Anisotropic",      ID_OPTIONS_VIDEO_RENDEROPTIONS_GLANISOTROPIC
                 MENUITEM "   Vertex: Triangle",         ID_OPTIONS_VIDEO_RENDEROPTIONS_GLTRIANGLE
                 MENUITEM "   Vertex: Quads",            ID_OPTIONS_VIDEO_RENDEROPTIONS_GLQUADS
                 MENUITEM SEPARATOR