diff --git a/src/core1/memory.c b/src/core1/memory.c
index 3b9c3b8d..90307683 100644
--- a/src/core1/memory.c
+++ b/src/core1/memory.c
@@ -19,7 +19,7 @@ extern void func_80253010(void *dest, void *src, s32 size);
 #define HEAP_SIZE 0x210520
 #define LAST_HEAP_BLOCK HEAP_SIZE/sizeof(EmptyHeapBlock) - 1
 
-extern enum {
+typedef enum {
     HEAP_BLOCK_EMPTY = 0,
     HEAP_BLOCK_USED  = 1,
     HEAP_BLOCK_PERM  = 2
@@ -57,6 +57,7 @@ extern void *D_802765A8;
 extern s32 D_802765AC;
 extern UNK_TYPE(void *) D_802765B4;
 
+/* .bss */
 s32 D_80283220;
 void *D_80283224;
 void *D_80283228;