diff --git a/FirebaseInAppMessaging/Sources/FIRInAppMessaging.m b/FirebaseInAppMessaging/Sources/FIRInAppMessaging.m
index d50476bc5f2..a30e2d0eb11 100644
--- a/FirebaseInAppMessaging/Sources/FIRInAppMessaging.m
+++ b/FirebaseInAppMessaging/Sources/FIRInAppMessaging.m
@@ -138,6 +138,24 @@ - (void)triggerEvent:(NSString *)eventName {
       checkAndDisplayNextContextualMessageForAnalyticsEvent:eventName];
 }
 
+#pragma mark - Force Category Linking
+
+extern void FIRInclude_FIRInAppMessaging_Bootstrap_Category(void);
+extern void FIRInclude_UIApplication_FIRForegroundWindowScene_Category(void);
+extern void FIRInclude_NSString_InterlaceStrings_Category(void);
+extern void FIRInclude_UIColor_HexString_Category(void);
+
+/// Does nothing when called, and not meant to be called.
+///
+/// This method forces the linker to include categories even if
+/// users do not include the '-ObjC' linker flag in their project.
++ (void)noop {
+  FIRInclude_FIRInAppMessaging_Bootstrap_Category();
+  FIRInclude_UIApplication_FIRForegroundWindowScene_Category();
+  FIRInclude_NSString_InterlaceStrings_Category();
+  FIRInclude_UIColor_HexString_Category();
+}
+
 @end
 
 #endif  // TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_VISION
diff --git a/FirebaseInAppMessaging/Sources/Runtime/FIRInAppMessaging+Bootstrap.m b/FirebaseInAppMessaging/Sources/Runtime/FIRInAppMessaging+Bootstrap.m
index aa4157de27f..9aa4aa350e7 100644
--- a/FirebaseInAppMessaging/Sources/Runtime/FIRInAppMessaging+Bootstrap.m
+++ b/FirebaseInAppMessaging/Sources/Runtime/FIRInAppMessaging+Bootstrap.m
@@ -137,4 +137,8 @@ + (void)exitAppWithFatalError:(NSError *)error {
 
 @end
 
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_FIRInAppMessaging_Bootstrap_Category(void) {
+}
+
 #endif  // TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_VISION
diff --git a/FirebaseInAppMessaging/Sources/Util/NSString+FIRInterlaceStrings.m b/FirebaseInAppMessaging/Sources/Util/NSString+FIRInterlaceStrings.m
index 787da932356..a6d54afc93f 100644
--- a/FirebaseInAppMessaging/Sources/Util/NSString+FIRInterlaceStrings.m
+++ b/FirebaseInAppMessaging/Sources/Util/NSString+FIRInterlaceStrings.m
@@ -44,4 +44,8 @@ + (NSString *)fir_interlaceString:(NSString *)stringOne withString:(NSString *)s
 
 @end
 
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_NSString_InterlaceStrings_Category(void) {
+}
+
 #endif  // TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_VISION
diff --git a/FirebaseInAppMessaging/Sources/Util/UIApplication+FIRForegroundWindowScene.m b/FirebaseInAppMessaging/Sources/Util/UIApplication+FIRForegroundWindowScene.m
index 1658ad41c74..af2ec1855b1 100644
--- a/FirebaseInAppMessaging/Sources/Util/UIApplication+FIRForegroundWindowScene.m
+++ b/FirebaseInAppMessaging/Sources/Util/UIApplication+FIRForegroundWindowScene.m
@@ -37,4 +37,8 @@ - (nullable UIWindowScene *)fir_foregroundWindowScene {
 
 @end
 
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_UIApplication_FIRForegroundWindowScene_Category(void) {
+}
+
 #endif  // TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_VISION
diff --git a/FirebaseInAppMessaging/Sources/Util/UIColor+FIRIAMHexString.m b/FirebaseInAppMessaging/Sources/Util/UIColor+FIRIAMHexString.m
index 34c9e220e0e..8760fdd800f 100644
--- a/FirebaseInAppMessaging/Sources/Util/UIColor+FIRIAMHexString.m
+++ b/FirebaseInAppMessaging/Sources/Util/UIColor+FIRIAMHexString.m
@@ -41,4 +41,8 @@ + (UIColor *)firiam_colorWithHexString:(nullable NSString *)hexString {
 }
 @end
 
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_UIColor_HexString_Category(void) {
+}
+
 #endif  // TARGET_OS_IOS || TARGET_OS_TV || TARGET_OS_VISION
diff --git a/FirebaseInstallations/Source/Library/FIRInstallations.m b/FirebaseInstallations/Source/Library/FIRInstallations.m
index d42db4bc4b7..4ee099e4cb9 100644
--- a/FirebaseInstallations/Source/Library/FIRInstallations.m
+++ b/FirebaseInstallations/Source/Library/FIRInstallations.m
@@ -267,6 +267,18 @@ + (BOOL)isIIDVersionCompatible {
   return isCompatibleVersion;
 }
 
+#pragma mark - Force Category Linking
+
+extern void FIRInclude_FIRInstallationsItem_RegisterInstallationAPI_Category(void);
+
+/// Does nothing when called, and not meant to be called.
+///
+/// This method forces the linker to include categories even if
+/// users do not include the '-ObjC' linker flag in their project.
++ (void)noop {
+  FIRInclude_FIRInstallationsItem_RegisterInstallationAPI_Category();
+}
+
 @end
 
 NS_ASSUME_NONNULL_END
diff --git a/FirebaseInstallations/Source/Library/InstallationsAPI/FIRInstallationsItem+RegisterInstallationAPI.m b/FirebaseInstallations/Source/Library/InstallationsAPI/FIRInstallationsItem+RegisterInstallationAPI.m
index e5c736010ed..90696f04e01 100644
--- a/FirebaseInstallations/Source/Library/InstallationsAPI/FIRInstallationsItem+RegisterInstallationAPI.m
+++ b/FirebaseInstallations/Source/Library/InstallationsAPI/FIRInstallationsItem+RegisterInstallationAPI.m
@@ -140,3 +140,7 @@ + (NSString *)validStringOrNilForKey:(NSString *)key fromDict:(NSDictionary *)di
 }
 
 @end
+
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_FIRInstallationsItem_RegisterInstallationAPI_Category(void) {
+}
diff --git a/FirebaseMessaging/Sources/FIRMessaging.m b/FirebaseMessaging/Sources/FIRMessaging.m
index a163131c613..af18ea77fea 100644
--- a/FirebaseMessaging/Sources/FIRMessaging.m
+++ b/FirebaseMessaging/Sources/FIRMessaging.m
@@ -1028,4 +1028,18 @@ + (NSString *)FIRMessagingSDKCurrentLocale {
   return [self currentLocale];
 }
 
+#pragma mark - Force Category Linking
+
+extern void FIRInclude_NSDictionary_FIRMessaging_Category(void);
+extern void FIRInclude_NSError_FIRMessaging_Category(void);
+
+/// Does nothing when called, and not meant to be called.
+///
+/// This method forces the linker to include categories even if
+/// users do not include the '-ObjC' linker flag in their project.
++ (void)noop {
+  FIRInclude_NSDictionary_FIRMessaging_Category();
+  FIRInclude_NSError_FIRMessaging_Category();
+}
+
 @end
diff --git a/FirebaseMessaging/Sources/NSDictionary+FIRMessaging.m b/FirebaseMessaging/Sources/NSDictionary+FIRMessaging.m
index f204e86a980..d9f9450fbba 100644
--- a/FirebaseMessaging/Sources/NSDictionary+FIRMessaging.m
+++ b/FirebaseMessaging/Sources/NSDictionary+FIRMessaging.m
@@ -56,3 +56,7 @@ - (NSDictionary *)fcm_trimNonStringValues {
 }
 
 @end
+
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_NSDictionary_FIRMessaging_Category(void) {
+}
diff --git a/FirebaseMessaging/Sources/NSError+FIRMessaging.m b/FirebaseMessaging/Sources/NSError+FIRMessaging.m
index 242c527a1e0..dcd1ecfe098 100644
--- a/FirebaseMessaging/Sources/NSError+FIRMessaging.m
+++ b/FirebaseMessaging/Sources/NSError+FIRMessaging.m
@@ -27,3 +27,7 @@ + (NSError *)messagingErrorWithCode:(FIRMessagingErrorCode)errorCode
 }
 
 @end
+
+/// Stub used to force the linker to include the categories in this file.
+void FIRInclude_NSError_FIRMessaging_Category(void) {
+}