diff --git a/RxSwift/Disposables/DisposeBase.swift b/RxSwift/Disposables/DisposeBase.swift
index 33318699..1f52dba8 100644
--- a/RxSwift/Disposables/DisposeBase.swift
+++ b/RxSwift/Disposables/DisposeBase.swift
@@ -14,13 +14,13 @@ Base class for all disposables.
 public class DisposeBase {
     init() {
 #if TRACE_RESOURCES
-    OSAtomicIncrement32(&resourceCount)
+    AtomicIncrement(&resourceCount)
 #endif
     }
     
     deinit {
 #if TRACE_RESOURCES
-    OSAtomicDecrement32(&resourceCount)
+    AtomicDecrement(&resourceCount)
 #endif
     }
 }
\ No newline at end of file
diff --git a/RxSwift/Observable.swift b/RxSwift/Observable.swift
index 0bc931bd..cf3d8220 100644
--- a/RxSwift/Observable.swift
+++ b/RxSwift/Observable.swift
@@ -35,7 +35,7 @@ public class Observable<Element> : ObservableType {
     
     deinit {
 #if TRACE_RESOURCES
-        OSAtomicDecrement32(&resourceCount)
+        AtomicDecrement(&resourceCount)
 #endif
     }
 
diff --git a/RxSwift/Observers/AnonymousObserver.swift b/RxSwift/Observers/AnonymousObserver.swift
index 840706aa..4277e1d5 100644
--- a/RxSwift/Observers/AnonymousObserver.swift
+++ b/RxSwift/Observers/AnonymousObserver.swift
@@ -17,7 +17,7 @@ class AnonymousObserver<ElementType> : ObserverBase<ElementType> {
     
     init(_ eventHandler: EventHandler) {
 #if TRACE_RESOURCES
-        OSAtomicIncrement32(&resourceCount)
+        AtomicIncrement(&resourceCount)
 #endif
         _eventHandler = eventHandler
     }
@@ -28,7 +28,7 @@ class AnonymousObserver<ElementType> : ObserverBase<ElementType> {
     
 #if TRACE_RESOURCES
     deinit {
-        OSAtomicDecrement32(&resourceCount)
+        AtomicDecrement(&resourceCount)
     }
 #endif
 }