diff --git a/source/build/include/build.h b/source/build/include/build.h
index 126ff118c..d86f7e9e6 100644
--- a/source/build/include/build.h
+++ b/source/build/include/build.h
@@ -352,14 +352,10 @@ void   videoSetCorrectedAspect();
 void   videoSetViewableArea(int32_t x1, int32_t y1, int32_t x2, int32_t y2);
 void   renderSetAspect(int32_t daxrange, int32_t daaspect);
 
-void   plotpixel(int32_t x, int32_t y, char col);
 FCanvasTexture *renderSetTarget(int16_t tilenume);
 void   renderRestoreTarget();
 
 void setVideoMode();
-void videoInit();
-void   videoClearViewableArea(int32_t dacol);
-void   videoClearScreen(int32_t dacol);
 
 class F2DDrawer;
 
diff --git a/source/build/src/engine.cpp b/source/build/src/engine.cpp
index 647022e68..d690af204 100644
--- a/source/build/src/engine.cpp
+++ b/source/build/src/engine.cpp
@@ -1563,24 +1563,6 @@ void videoSetViewableArea(int32_t x1, int32_t y1, int32_t x2, int32_t y2)
 
 
 
-//
-// clearview
-//
-void videoClearViewableArea(int32_t dacol)
-{
-    GLInterface.ClearScreen(dacol, false);
-}
-
-
-//
-// clearallviews
-//
-void videoClearScreen(int32_t dacol)
-{
-    GLInterface.ClearScreen(dacol | PalEntry(255,0,0,0));
-}
-
-
 //MUST USE RESTOREFORDRAWROOMS AFTER DRAWING
 
 static int32_t setviewcnt = 0; // interface layers use this now
@@ -1736,7 +1718,6 @@ void alignflorslope(int16_t dasect, int32_t x, int32_t y, int32_t z)
 
 int tilehasmodelorvoxel(int const tilenume, int pal)
 {
-    UNREFERENCED_PARAMETER(pal);
     return
         (mdinited && hw_models && tile2model[Ptile2tile(tilenume, pal)].modelid != -1) ||
         (r_voxels && tiletovox[tilenume] != -1);
diff --git a/source/core/gamecontrol.cpp b/source/core/gamecontrol.cpp
index 82166c1eb..4887ccc8a 100644
--- a/source/core/gamecontrol.cpp
+++ b/source/core/gamecontrol.cpp
@@ -1050,7 +1050,6 @@ void setVideoMode()
 	ydim = screen->GetHeight();
 	V_UpdateModeSize(xdim, ydim);
 	videoSetViewableArea(0, 0, xdim - 1, ydim - 1);
-	videoClearScreen(0);
 }
 
 //==========================================================================