diff --git a/src/r_main.c b/src/r_main.c
index 8037775d6..e8bedddaf 100644
--- a/src/r_main.c
+++ b/src/r_main.c
@@ -149,7 +149,6 @@ consvar_t cv_flipcam2 = {"flipcam2", "No", CV_SAVE|CV_CALL|CV_NOINIT, CV_YesNo,
 
 consvar_t cv_shadow = {"shadow", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_skybox = {"skybox", "On", CV_SAVE, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
-consvar_t cv_3dfloors = {"3dfloors", "On", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_ffloorclip = {"ffloorclip", "On", 0, CV_OnOff, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_allowmlook = {"allowmlook", "Yes", CV_NETVAR, CV_YesNo, NULL, 0, NULL, NULL, 0, 0, NULL};
 consvar_t cv_showhud = {"showhud", "Yes", CV_CALL,  CV_YesNo, R_SetViewSize, 0, NULL, NULL, 0, 0, NULL};
@@ -1592,7 +1591,6 @@ void R_RegisterEngineStuff(void)
 
 	CV_RegisterVar(&cv_shadow);
 	CV_RegisterVar(&cv_skybox);
-	CV_RegisterVar(&cv_3dfloors);
 	CV_RegisterVar(&cv_ffloorclip);
 
 	CV_RegisterVar(&cv_cam_dist);
diff --git a/src/r_main.h b/src/r_main.h
index acbb47ae3..3091246d0 100644
--- a/src/r_main.h
+++ b/src/r_main.h
@@ -103,7 +103,7 @@ extern consvar_t cv_chasecam, cv_chasecam2;
 extern consvar_t cv_flipcam, cv_flipcam2;
 
 extern consvar_t cv_shadow;
-extern consvar_t cv_3dfloors, cv_ffloorclip;
+extern consvar_t cv_ffloorclip;
 extern consvar_t cv_translucency;
 extern consvar_t cv_drawdist, cv_drawdist_nights, cv_drawdist_precip;
 extern consvar_t cv_fov;
diff --git a/src/r_things.c b/src/r_things.c
index e9eee6328..d2647b811 100644
--- a/src/r_things.c
+++ b/src/r_things.c
@@ -2251,7 +2251,7 @@ static void R_CreateDrawNodes(maskcount_t* mask, drawnode_t* head, boolean temps
 	// Add the 3D floors, thicksides, and masked textures...
 	for (ds = drawsegs + mask->drawsegs[1]; ds-- > drawsegs + mask->drawsegs[0];)
 	{
-		if (ds->numthicksides && cv_3dfloors.value)
+		if (ds->numthicksides)
 		{
 			for (i = 0; i < ds->numthicksides; i++)
 			{
@@ -2280,7 +2280,7 @@ static void R_CreateDrawNodes(maskcount_t* mask, drawnode_t* head, boolean temps
 			entry = R_CreateDrawNode(head);
 			entry->seg = ds;
 		}
-		if (ds->numffloorplanes && cv_3dfloors.value)
+		if (ds->numffloorplanes)
 		{
 			for (i = 0; i < ds->numffloorplanes; i++)
 			{