diff --git a/source/blender/blenkernel/BKE_bad_level_calls.h b/source/blender/blenkernel/BKE_bad_level_calls.h
index 0b623526562..f9e4cc6e937 100644
--- a/source/blender/blenkernel/BKE_bad_level_calls.h
+++ b/source/blender/blenkernel/BKE_bad_level_calls.h
@@ -230,5 +230,14 @@ void PE_free_particle_edit(struct ParticleSystem *psys);
 void PE_get_colors(char sel[4], char nosel[4]);
 void PE_recalc_world_cos(struct Object *ob, struct ParticleSystem *psys);
 
+/* texture.c */
+struct Tex;
+struct TexResult;
+int multitex_thread(struct Tex *tex, float *texvec, float *dxt, float *dyt, int osatex, struct TexResult *texres, short thread, short which_output);
+
+/* previewrender.c */
+void BIF_preview_changed(short id_code);
+
+
 #endif
 
diff --git a/source/blender/blenkernel/bad_level_call_stubs/stubs.c b/source/blender/blenkernel/bad_level_call_stubs/stubs.c
index ae336d0fc26..3dde87b0b07 100644
--- a/source/blender/blenkernel/bad_level_call_stubs/stubs.c
+++ b/source/blender/blenkernel/bad_level_call_stubs/stubs.c
@@ -347,3 +347,10 @@ void txt_copy_clipboard (struct Text *text){}
 
 char stipple_quarttone[1];
 
+/* texture.c */
+int multitex_thread(Tex *tex, float *texvec, float *dxt, float *dyt, int osatex, TexResult *texres, short thread, short which_output) {}
+
+/* previewrender.c */
+void BIF_preview_changed(short id_code) {}
+
+