diff --git a/CoreStore.podspec b/CoreStore.podspec
index 98ff4a1..e2d0391 100644
--- a/CoreStore.podspec
+++ b/CoreStore.podspec
@@ -12,6 +12,7 @@ Pod::Spec.new do |s|
     s.watchos.deployment_target = "2.0"
 
     s.source_files = "CoreStore", "CoreStore/**/*.{swift}"
+    s.osx.exclude_files = "CoreStore/Observing/*.{swift}", "CoreStore/Internal/FetchedResultsControllerDelegate.swift"
     s.frameworks = "Foundation", "CoreData"
     s.requires_arc = true
     s.dependency "GCDKit", "1.1.3"