diff --git a/audio/out/ao_coreaudio_chmap.c b/audio/out/ao_coreaudio_chmap.c
index 3fd95503c99b9..c1cae0cc40aa5 100644
--- a/audio/out/ao_coreaudio_chmap.c
+++ b/audio/out/ao_coreaudio_chmap.c
@@ -241,7 +241,7 @@ static AudioChannelLayout* ca_query_stereo_layout(struct ao *ao,
                                                   void *talloc_ctx)
 {
     OSStatus err;
-    const int nch = 2;
+    static const int nch = 2;
     uint32_t channels[nch];
     AudioChannelLayout *r = NULL;
 
diff --git a/audio/out/ao_coreaudio_utils.c b/audio/out/ao_coreaudio_utils.c
index 14db8e39cd98b..978165d652185 100644
--- a/audio/out/ao_coreaudio_utils.c
+++ b/audio/out/ao_coreaudio_utils.c
@@ -470,7 +470,7 @@ bool ca_change_physical_format_sync(struct ao *ao, AudioStreamID stream,
 
     ca_print_asbd(ao, "setting stream physical format:", &change_format);
 
-    sem_t wakeup;
+    mp_sem_t wakeup;
     if (mp_sem_init(&wakeup, 0, 0)) {
         MP_WARN(ao, "OOM\n");
         return false;
diff --git a/osdep/macosx_events.m b/osdep/macosx_events.m
index 627077aac1967..33ea265797b1e 100644
--- a/osdep/macosx_events.m
+++ b/osdep/macosx_events.m
@@ -292,6 +292,8 @@ -(void)processEvent:(struct mpv_event *)event
         _ctx = nil;
         break;
     }
+    default:
+        break;
     }
 }
 
diff --git a/osdep/macosx_touchbar.m b/osdep/macosx_touchbar.m
index ccce8f773df54..d70324bd1c5e2 100644
--- a/osdep/macosx_touchbar.m
+++ b/osdep/macosx_touchbar.m
@@ -307,6 +307,8 @@ - (void)processEvent:(struct mpv_event *)event
         [self handlePropertyChange:(mpv_event_property *)event->data];
         break;
     }
+    default:
+        break;
     }
 }