diff --git a/polymer/eduke32/build/src/defs.c b/polymer/eduke32/build/src/defs.c
index 5cd9c4076..1037df1e9 100644
--- a/polymer/eduke32/build/src/defs.c
+++ b/polymer/eduke32/build/src/defs.c
@@ -1432,11 +1432,13 @@ static int32_t defsparser(scriptfile *script)
         case T_HIGHPALOOKUP:
         {
             char *highpaltokptr = script->ltextptr;
-            int32_t pal=-1, oldpathsearchmode, fd;
+            int32_t pal=-1, oldpathsearchmode;
             char *fn = NULL, *tfn = NULL;
             char *highpalend;
+#ifdef POLYMER
+            int32_t fd;
             char *highpaldata;
-
+#endif
             static const tokenlist highpaltokens[] =
             {
                 { "pal",   T_PAL },
@@ -1486,6 +1488,7 @@ static int32_t defsparser(scriptfile *script)
             else Bfree(tfn);
             pathsearchmode = oldpathsearchmode;
 
+#ifdef POLYMER
             fd = kopen4load(fn, 0);
 
             // load the highpalookup and send it to polymer
@@ -1498,11 +1501,11 @@ static int32_t defsparser(scriptfile *script)
                 filesize = kfilelength(fd);
 
                 filebuf = Bmalloc(filesize);
-                if (!filebuf) { Bfree(highpaldata); break; }
+                if (!filebuf) { kclose(fd); Bfree(highpaldata); break; }
 
                 klseek(fd, 0, SEEK_SET);
                 if (kread(fd, filebuf, filesize)!=filesize)
-                    { Bfree(highpaldata); initprintf("Error: didn't read all of '%s'.\n", fn); break; }
+                    { kclose(fd); Bfree(highpaldata); initprintf("Error: didn't read all of '%s'.\n", fn); break; }
 
                 kclose(fd);
                 kpgetdim(filebuf, filesize, &xsiz, &ysiz);
@@ -1524,6 +1527,7 @@ static int32_t defsparser(scriptfile *script)
             polymer_definehighpalookup(pal, highpaldata);
 
             Bfree(highpaldata);
+#endif
         }
         break;
         case T_TINT:
diff --git a/polymer/eduke32/build/src/hightile.c b/polymer/eduke32/build/src/hightile.c
index b3df18ff2..435dac2d9 100644
--- a/polymer/eduke32/build/src/hightile.c
+++ b/polymer/eduke32/build/src/hightile.c
@@ -10,6 +10,7 @@
 #include "compat.h"
 #include "kplib.h"
 #include "hightile.h"
+#include "baselayer.h"
 
 
 palette_t hictinting[MAXPALOOKUPS];
@@ -166,13 +167,13 @@ int32_t hicsetsubsttex(int32_t picnum, int32_t palnum, const char *filen, float
     if (tilesizx[picnum]<=0 || tilesizy[picnum]<=0)
     {
         static int32_t first=1;
-        OSD_Printf("warning: defined hightile replacement for empty tile %d.", picnum);
+        initprintf("Warning: defined hightile replacement for empty tile %d.", picnum);
         if (first)
         {
-            OSD_Printf(" Maybe some tiles???.art are not loaded?");
+            initprintf(" Maybe some tilesXXX.art are not loaded?");
             first = 0;
         }
-        OSD_Printf("\n");
+        initprintf("\n");
     }
 
     //printf("Replacement [%d,%d]: %s\n", picnum, palnum, hicreplc[i]->filename);
diff --git a/polymer/eduke32/build/src/polymost.c b/polymer/eduke32/build/src/polymost.c
index e8637f006..6015b3b99 100644
--- a/polymer/eduke32/build/src/polymost.c
+++ b/polymer/eduke32/build/src/polymost.c
@@ -5376,6 +5376,7 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
             if (!nofog) bglDisable(GL_FOG);
             if (rendmode < 4)
                 mddraw(&tspr);
+# ifdef POLYMER
             else
             {
                 tspriteptr[MAXSPRITESONSCREEN] = &tspr;
@@ -5394,7 +5395,7 @@ void polymost_dorotatesprite(int32_t sx, int32_t sy, int32_t z, int16_t a, int16
                 bglDisable(GL_BLEND);
                 bglDisable(GL_ALPHA_TEST);
             }
-
+# endif
             if (!nofog) bglEnable(GL_FOG);
 #else
             mddraw(&tspr);
diff --git a/polymer/eduke32/source/m32vars.c b/polymer/eduke32/source/m32vars.c
index b98f32794..93e324309 100644
--- a/polymer/eduke32/source/m32vars.c
+++ b/polymer/eduke32/source/m32vars.c
@@ -630,6 +630,23 @@ static void Gv_AddSystemVars(void)
     Gv_NewVar("pr_overridespecular",(intptr_t)&pr_overridespecular, GAMEVAR_INTPTR | GAMEVAR_SYSTEM);
     Gv_NewVar("pr_specularpower",(intptr_t)&pr_specularpower, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
     Gv_NewVar("pr_specularfactor",(intptr_t)&pr_specularfactor, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
+#else
+    {
+        // dummy Polymer variables for non-Polymer builds
+        static int32_t pr_overrideparallax = 0;
+        static float pr_parallaxscale = 0.1f;
+        static float pr_parallaxbias = 0.0f;
+        static int32_t pr_overridespecular = 0;
+        static float pr_specularpower = 15.0f;
+        static float pr_specularfactor = 1.0f;
+
+        Gv_NewVar("pr_overrideparallax",(intptr_t)&pr_overrideparallax, GAMEVAR_INTPTR | GAMEVAR_SYSTEM);
+        Gv_NewVar("pr_parallaxscale",(intptr_t)&pr_parallaxscale, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
+        Gv_NewVar("pr_parallaxbias",(intptr_t)&pr_parallaxbias, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
+        Gv_NewVar("pr_overridespecular",(intptr_t)&pr_overridespecular, GAMEVAR_INTPTR | GAMEVAR_SYSTEM);
+        Gv_NewVar("pr_specularpower",(intptr_t)&pr_specularpower, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
+        Gv_NewVar("pr_specularfactor",(intptr_t)&pr_specularfactor, GAMEVAR_FLOATPTR | GAMEVAR_SYSTEM);
+    }
 #endif
 
     g_systemVarCount = g_gameVarCount;