diff --git a/src/load_anim_data.c b/src/load_anim_data.c
index 08c0c95..031e4ef 100644
--- a/src/load_anim_data.c
+++ b/src/load_anim_data.c
@@ -2,7 +2,8 @@
 
 #include <stdlib.h>
 
-struct Animation *g_libsm64_mario_animations;
+static uint32_t s_num_entries = 0;
+struct Animation *g_libsm64_mario_animations = NULL;
 
 #define ANIM_DATA_ADDRESS 0x004EC000
 
@@ -34,12 +35,12 @@ void load_mario_anims_from_rom( uint8_t *rom )
     #define GET_SIZE(   n ) (read_u32_be(&((struct OffsetSizePair*)( rom + ANIM_DATA_ADDRESS + 8 + (n)*8 ))->size  ))
 
     uint8_t *read_ptr = rom + ANIM_DATA_ADDRESS;
-    uint32_t num_entries = read_u32_be( read_ptr );
+    s_num_entries = read_u32_be( read_ptr );
 
-    g_libsm64_mario_animations = malloc( num_entries * sizeof( struct Animation ));
+    g_libsm64_mario_animations = malloc( s_num_entries * sizeof( struct Animation ));
     struct Animation *anims = g_libsm64_mario_animations;
 
-    for( int i = 0; i < num_entries; ++i )
+    for( int i = 0; i < s_num_entries; ++i )
     {
         read_ptr = rom + ANIM_DATA_ADDRESS + GET_OFFSET(i);
 
@@ -81,7 +82,13 @@ void load_mario_anims_from_rom( uint8_t *rom )
 
 void unload_mario_anims( void )
 {
-    // TODO free index and values arrays
+    for( int i = 0; i < s_num_entries; ++i )
+    {
+        free( g_libsm64_mario_animations[i].index );
+        free( g_libsm64_mario_animations[i].values );
+    }
+
     free( g_libsm64_mario_animations );
     g_libsm64_mario_animations = NULL;
+    s_num_entries = 0;
 }
\ No newline at end of file