diff --git a/crates/header-translator/README.md b/crates/header-translator/README.md
index 0a18956e7..2bc84d6e5 100644
--- a/crates/header-translator/README.md
+++ b/crates/header-translator/README.md
@@ -9,30 +9,3 @@ cargo run --bin header-translator -- /Applications/Xcode.app/Contents/Developer
 ## SDKs
 
 We do not redistribute the relevant SDKs, to hopefully avoid a license violation. You can download the SDKs yourself (they're bundled in XCode) from [Apple's website](https://developer.apple.com/download/all/?q=xcode) (requires an Apple ID).
-
-The following diffs are applied to silence warnings when compiling the headers using `clang 11.0.0`:
-
-```diff
---- a/XYZ.sdk/System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSBundle.h
-+++ b/XYZ.sdk/System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSBundle.h
-@@ -88,7 +88,7 @@ NS_ASSUME_NONNULL_BEGIN
-
- /* Methods for retrieving localized strings. */
- - (NSString *)localizedStringForKey:(NSString *)key value:(nullable NSString *)value table:(nullable NSString *)tableName NS_FORMAT_ARGUMENT(1);
--- (NSAttributedString *)localizedAttributedStringForKey:(NSString *)key value:(nullable NSString *)value table:(nullable NSString *)tableName NS_FORMAT_ARGUMENT(1) NS_REFINED_FOR_SWIFT API_AVAILABLE(macos(12.0), ios(15.0), watchos(8.0), tvos(15.0));
-+- (NSString *)localizedAttributedStringForKey:(NSString *)key value:(nullable NSString *)value table:(nullable NSString *)tableName NS_FORMAT_ARGUMENT(1) NS_REFINED_FOR_SWIFT API_AVAILABLE(macos(12.0), ios(15.0), watchos(8.0), tvos(15.0));
-
- /* Methods for obtaining various information about a bundle. */
- @property (nullable, readonly, copy) NSString *bundleIdentifier;
---- a/XYZ.sdk/System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSURLSession.h
-+++ b/XYZ.sdk/System/Library/Frameworks/Foundation.framework/Versions/C/Headers/NSURLSession.h
-@@ -497,7 +497,7 @@ API_AVAILABLE(macos(10.11), ios(9.0), watchos(2.0), tvos(9.0))
-  * If an error occurs, any outstanding reads will also fail, and new
-  * read requests will error out immediately.
-  */
--- (void)readDataOfMinLength:(NSUInteger)minBytes maxLength:(NSUInteger)maxBytes timeout:(NSTimeInterval)timeout completionHandler:(void (^) (NSData * _Nullable_result data, BOOL atEOF, NSError * _Nullable error))completionHandler;
-+- (void)readDataOfMinLength:(NSUInteger)minBytes maxLength:(NSUInteger)maxBytes timeout:(NSTimeInterval)timeout completionHandler:(void (^) (NSData * _Nullable data, BOOL atEOF, NSError * _Nullable error))completionHandler;
-
- /* Write the data completely to the underlying socket.  If all the
-  * bytes have not been written by the timeout, a timeout error will
-```
diff --git a/crates/header-translator/framework-includes.h b/crates/header-translator/framework-includes.h
index c818f37e7..eb29fad17 100644
--- a/crates/header-translator/framework-includes.h
+++ b/crates/header-translator/framework-includes.h
@@ -1,3 +1,9 @@
+// Workaround for clang < 13, only used in NSBundle.h
+#define NS_FORMAT_ARGUMENT(A)
+
+// Workaround for clang < 13
+#define _Nullable_result _Nullable
+
 #include <TargetConditionals.h>
 
 #import <Foundation/Foundation.h>