Index: clang-tidy/google/IntegerTypesCheck.cpp
===================================================================
--- clang-tidy/google/IntegerTypesCheck.cpp
+++ clang-tidy/google/IntegerTypesCheck.cpp
@@ -54,7 +54,9 @@
 
 void IntegerTypesCheck::registerMatchers(MatchFinder *Finder) {
   // Find all TypeLocs. The relevant Style Guide rule only applies to C++.
-  if (!getLangOpts().CPlusPlus)
+  // This check is also not applied in Objective-C++ sources as Objective-C
+  // often uses built-in integer types other than `int`.
+  if (!getLangOpts().CPlusPlus || getLangOpts().ObjC)
     return;
   // Match any integer types, unless they are passed to a printf-based API:
   //
Index: docs/ReleaseNotes.rst
===================================================================
--- docs/ReleaseNotes.rst
+++ docs/ReleaseNotes.rst
@@ -115,6 +115,9 @@
   `CommentUserDefiniedLiterals`, `CommentStringLiterals`,
   `CommentCharacterLiterals` & `CommentNullPtrs` options.
 
+- The :doc:`google-runtime-int <clang-tidy/checks/google-runtime-int>`
+  check has been disabled in Objective-C++.
+
 - The `Acronyms` and `IncludeDefaultAcronyms` options for the
   :doc:`objc-property-declaration <clang-tidy/checks/objc-property-declaration>`
   check have been removed.
Index: test/clang-tidy/google-runtime-int.m
===================================================================
--- test/clang-tidy/google-runtime-int.m
+++ test/clang-tidy/google-runtime-int.m
@@ -0,0 +1,32 @@
+// RUN: clang-tidy -checks=-*,google-runtime-int %s 2>&1 -- | count 0
+// RUN: clang-tidy -checks=-*,google-runtime-int %s 2>&1 -- -x objective-c++ | count 0
+
+typedef long NSInteger;
+typedef unsigned long NSUInteger;
+
+@interface NSString
+@property(readonly) NSInteger integerValue;
+@property(readonly) long long longLongValue;
+@property(readonly) NSUInteger length;
+@end
+
+NSInteger Foo(NSString *s) {
+  return [s integerValue];
+}
+
+long long Bar(NSString *s) {
+  return [s longLongValue];
+}
+
+NSUInteger Baz(NSString *s) {
+  return [s length];
+}
+
+unsigned short NSSwapShort(unsigned short inv);
+
+long DoSomeMath(long a, short b) {
+  short c = NSSwapShort(b);
+  long a2 = a * 5L;
+  return a2 + c;
+}
+