diff --git a/source/build/include/compat.h b/source/build/include/compat.h
index dc7772b0d..ce267e673 100644
--- a/source/build/include/compat.h
+++ b/source/build/include/compat.h
@@ -743,7 +743,7 @@ template <typename T>
 using make_signed_t = typename std::make_signed<T>::type;
 template <typename T>
 using make_unsigned_t = typename std::make_unsigned<T>::type;
-template <class T>
+template <class T>
 using remove_pointer_t = typename std::remove_pointer<T>::type;
 # endif
 
diff --git a/source/build/src/engine.cpp b/source/build/src/engine.cpp
index fdc038cac..0baa5c280 100644
--- a/source/build/src/engine.cpp
+++ b/source/build/src/engine.cpp
@@ -11727,7 +11727,7 @@ static int16_t mirbakdasector;
 void renderPrepareMirrorOld(int32_t dax, int32_t day, int32_t daz, fix16_t daang, fix16_t dahoriz,
                             int16_t dawall, int16_t dasector, int32_t *tposx, int32_t *tposy, fix16_t *tang)
 {
-    mirrorrender = 1;
+    //mirrorrender = 1;
     const int32_t x = wall[dawall].x, dx = wall[wall[dawall].point2].x-x;
     const int32_t y = wall[dawall].y, dy = wall[wall[dawall].point2].y-y;
 
@@ -11826,7 +11826,7 @@ void renderCompleteMirror(void)
 
 void renderCompleteMirrorOld(void)
 {
-    mirrorrender = 0;
+    //mirrorrender = 0;
 #ifdef USE_OPENGL
     if (videoGetRenderMode() != REND_CLASSIC)
         return;
diff --git a/source/build/src/polymost.cpp b/source/build/src/polymost.cpp
index 23d62241c..db2c80316 100644
--- a/source/build/src/polymost.cpp
+++ b/source/build/src/polymost.cpp
@@ -3166,9 +3166,6 @@ skip: ;
                         {
                             if (yax_drawcf != -1)
                                 yax_holecf[yax_drawcf][yax_holencf[yax_drawcf]++] = { dx0, dx1, vsp[i].cy[0], vsp[i].cy[1], n0.y, vsp[i].cy[1] };
-
-                            if (editstatus && doeditorcheck)
-                                polymost_polyeditorfunc(dpxy, n);
                         }
                         else
 #endif
@@ -7587,7 +7584,6 @@ void polymost_initosdfuncs(void)
         { "r_nofog", "enable/disable GL fog", (void *)&nofog, CVAR_BOOL, 0, 1},
         { "r_hightile","enable/disable hightile texture rendering",(void *) &usehightile, CVAR_BOOL, 0, 1 },
 
-        { "r_preview_mouseaim", "toggles mouse aiming preview, use this to calibrate yxaspect in Polymost Mapster32", (void *) &preview_mouseaim, CVAR_BOOL, 0, 1 },
     };
 
     for (i=0; i<ARRAY_SIZE(cvars_polymost); i++)