diff --git a/OSBindings/Mac/Clock Signal/Audio/CSAudioQueue.h b/OSBindings/Mac/Clock Signal/Audio/CSAudioQueue.h
index 7e2809274..2f43b2d9a 100644
--- a/OSBindings/Mac/Clock Signal/Audio/CSAudioQueue.h	
+++ b/OSBindings/Mac/Clock Signal/Audio/CSAudioQueue.h	
@@ -20,7 +20,7 @@
 - (void)enqueueAudioBuffer:(nonnull const int16_t *)buffer numberOfSamples:(size_t)lengthInSamples;
 
 @property (nonatomic, readonly) Float64 samplingRate;
-@property (nonatomic, weak) id<CSAudioQueueDelegate> delegate;
+@property (nonatomic, weak, nullable) id<CSAudioQueueDelegate> delegate;
 
 + (Float64)preferredSamplingRate;
 @property (nonatomic, readonly) NSUInteger bufferSize;
diff --git a/OSBindings/Mac/Clock Signal/Views/CSOpenGLView.h b/OSBindings/Mac/Clock Signal/Views/CSOpenGLView.h
index 4cf5ec5d4..9ecae793d 100644
--- a/OSBindings/Mac/Clock Signal/Views/CSOpenGLView.h	
+++ b/OSBindings/Mac/Clock Signal/Views/CSOpenGLView.h	
@@ -53,8 +53,8 @@
 */
 @interface CSOpenGLView : NSOpenGLView
 
-@property (nonatomic, weak) id <CSOpenGLViewDelegate> delegate;
-@property (nonatomic, weak) id <CSOpenGLViewResponderDelegate> responderDelegate;
+@property (nonatomic, weak, nullable) id <CSOpenGLViewDelegate> delegate;
+@property (nonatomic, weak, nullable) id <CSOpenGLViewResponderDelegate> responderDelegate;
 
 /*!
 	Ends the timer tracking time; should be called prior to giving up the last owning reference