diff --git a/platform_mac/mac_4ed.mm b/platform_mac/mac_4ed.mm
index 2033dc50..87e1f0d0 100644
--- a/platform_mac/mac_4ed.mm
+++ b/platform_mac/mac_4ed.mm
@@ -301,6 +301,7 @@ mac_to_object(Plat_Handle handle){
 function void
 mac_init_recursive_mutex(pthread_mutex_t *mutex){
     pthread_mutexattr_t attr;
+    pthread_mutexattr_init(&attr);
     pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
     pthread_mutex_init(mutex, &attr);
 }
@@ -1370,4 +1371,4 @@ main(int arg_count, char **args){
         // NOTE(yuval): Start the app's run loop
         [NSApp run];
     }
-}
\ No newline at end of file
+}
diff --git a/platform_mac/mac_4ed_functions.mm b/platform_mac/mac_4ed_functions.mm
index 98ce3121..93b19ce6 100644
--- a/platform_mac/mac_4ed_functions.mm
+++ b/platform_mac/mac_4ed_functions.mm
@@ -748,10 +748,8 @@ mac_memory_allocate_extended(void *base, u64 size, String_Const_u8 location){
     
     pthread_mutex_lock(&memory_tracker_mutex);
     {
-        zdll_assert_good(Memory_Annotation_Tracker_Node, memory_tracker.first);
         zdll_push_back(memory_tracker.first, memory_tracker.last, node);
         memory_tracker.count += 1;
-        zdll_assert_good(Memory_Annotation_Tracker_Node, memory_tracker.first);
     }
     pthread_mutex_unlock(&memory_tracker_mutex);
     
@@ -769,10 +767,8 @@ mac_memory_free_extended(void *ptr){
     
     pthread_mutex_lock(&memory_tracker_mutex);
     {
-        zdll_assert_good(Memory_Annotation_Tracker_Node, memory_tracker.first);
         zdll_remove(memory_tracker.first, memory_tracker.last, node);
         memory_tracker.count -= 1;
-        zdll_assert_good(Memory_Annotation_Tracker_Node, memory_tracker.first);
     }
     pthread_mutex_unlock(&memory_tracker_mutex);