diff --git a/src/gfxutil.cpp b/src/gfxutil.cpp
index d4dd28f77..dc8401efa 100644
--- a/src/gfxutil.cpp
+++ b/src/gfxutil.cpp
@@ -407,7 +407,7 @@ void alloc_colors64k(int monid, int rw, int gw, int bw, int rs, int gs, int bs,
 			xcolors[i] |= xcolors[i] * 0x00010001;
 		}
 	}
-	//fullblack = 0;
+	fullblack = 0;
 	//if (gfx_hdr) {
 	//	fullblack = doAlpha(1, aw, as);
 	//}
diff --git a/src/include/memory.h b/src/include/memory.h
index 67770934f..071c845a4 100644
--- a/src/include/memory.h
+++ b/src/include/memory.h
@@ -468,8 +468,6 @@ extern uaecptr expamem_z3_pointer_real, expamem_z3_pointer_uae;
 extern uae_u32 expamem_z3_highram_real, expamem_z3_highram_uae;
 extern uae_u32 expamem_board_size;
 
-extern uae_u32 last_custom_value1;
-
 /* Default memory access functions */
 
 extern void dummy_put (uaecptr addr, int size, uae_u32 val);
diff --git a/src/osdep/amiberry_gfx.cpp b/src/osdep/amiberry_gfx.cpp
index d05c71b0e..ecfebdea1 100644
--- a/src/osdep/amiberry_gfx.cpp
+++ b/src/osdep/amiberry_gfx.cpp
@@ -446,7 +446,7 @@ int graphics_setup(void)
 
 void updatedisplayarea(int monid)
 {
-	set_custom_limits(-1, -1, -1, -1);
+	set_custom_limits(-1, -1, -1, -1, false);
 	show_screen(monid, 0);
 }