diff --git a/FirebaseMessaging/Sources/FIRMessaging+ExtensionHelper.m b/FirebaseMessaging/Sources/FIRMessaging+ExtensionHelper.m
index 1902d067062..0ff8d3dea04 100644
--- a/FirebaseMessaging/Sources/FIRMessaging+ExtensionHelper.m
+++ b/FirebaseMessaging/Sources/FIRMessaging+ExtensionHelper.m
@@ -30,8 +30,10 @@ + (FIRMessagingExtensionHelper *)extensionHelper {
   return extensionHelper;
 }
 
+#if SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
 /// Stub used to force the linker to include the categories in this file.
 void FIRInclude_FIRMessaging_ExtensionHelper_Category(void) {
 }
+#endif  // SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
 
 @end
diff --git a/FirebaseMessaging/Sources/FIRMessaging.m b/FirebaseMessaging/Sources/FIRMessaging.m
index 590fabd042c..e2bb09b098c 100644
--- a/FirebaseMessaging/Sources/FIRMessaging.m
+++ b/FirebaseMessaging/Sources/FIRMessaging.m
@@ -1020,8 +1020,9 @@ + (NSString *)FIRMessagingSDKCurrentLocale {
 }
 
 #pragma mark - Force Category Linking
-
+#if SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
 extern void FIRInclude_FIRMessaging_ExtensionHelper_Category(void);
+#endif  // SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
 extern void FIRInclude_NSDictionary_FIRMessaging_Category(void);
 extern void FIRInclude_NSError_FIRMessaging_Category(void);
 
@@ -1030,7 +1031,9 @@ + (NSString *)FIRMessagingSDKCurrentLocale {
 /// This method forces the linker to include categories even if
 /// users do not include the '-ObjC' linker flag in their project.
 + (void)noop {
+#if SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
   FIRInclude_FIRMessaging_ExtensionHelper_Category();
+#endif  // SWIFT_PACKAGE || COCOAPODS || FIREBASE_BUILD_CARTHAGE || FIREBASE_BUILD_ZIP_FILE
   FIRInclude_NSDictionary_FIRMessaging_Category();
   FIRInclude_NSError_FIRMessaging_Category();
 }