diff --git a/src/audio/soundcore.c b/src/audio/soundcore.c
index f64bdbfb..8e242957 100644
--- a/src/audio/soundcore.c
+++ b/src/audio/soundcore.c
@@ -107,7 +107,11 @@ void audio_shutdown(void) {
 void audio_pause(void) {
     // CPU thread owns audio lifecycle (see note above)
     // Deadlock on Kindle Fire 1st Gen if audio_pause() and audio_resume() happen off CPU thread ...
-  //  assert(pthread_self() == cpu_thread_id);
+#ifdef __APPLE__
+#   warning FIXME TODO : this assert is firing on iOS port ... but the assert is valid ... fix soon 
+#else
+    assert(pthread_self() == cpu_thread_id);
+#endif
     if (!audio_isAvailable) {
         return;
     }
diff --git a/src/disk.c b/src/disk.c
index cb29f250..bda16996 100644
--- a/src/disk.c
+++ b/src/disk.c
@@ -747,7 +747,9 @@ const char *disk6_eject(int drive) {
             ERRLOG("Error close()ing file %s", disk6.disk[drive].file_name);
         }
 
-        /*
+#ifdef __APPLE__
+#   warning FIXME TODO : can we not inflate/deflate disk images within the iOS port?  Maybe this is just a permission thing?
+#else
         // foo.dsk -> foo.dsk.gz
         err = zlib_deflate(disk6.disk[drive].file_name, is_nib(disk6.disk[drive].file_name) ? NIB_SIZE : DSK_SIZE);
         if (err) {
@@ -755,7 +757,7 @@ const char *disk6_eject(int drive) {
         } else {
             unlink(disk6.disk[drive].file_name);
         }
-         */
+#endif
     }
 
     STRDUP_FREE(disk6.disk[drive].file_name);
diff --git a/src/timing.c b/src/timing.c
index c471b7bd..91193c0d 100644
--- a/src/timing.c
+++ b/src/timing.c
@@ -178,7 +178,11 @@ void reinitialize(void) {
 
 void timing_initialize(void) {
 #if !TESTING
-   // assert(cpu_isPaused() || (pthread_self() == cpu_thread_id));
+#   ifdef __APPLE__
+#       warning FIXME TODO : this assert is firing on iOS port ... but the assert is valid ... fix soon 
+#   else
+    assert(cpu_isPaused() || (pthread_self() == cpu_thread_id));
+#   endif
 #endif
     _timing_initialize(alt_speed_enabled ? cpu_altscale_factor : cpu_scale_factor);
 }