diff --git a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.h b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.h
index 1391b5725f14eee0f175f2d16245dd490c53bf58..ed08ae5f3c8b1ab33e7363fa0fcb4d8e1c1da344 100644
--- a/src/objective-c/GRPCClient/private/GRPCRequestHeaders.h
+++ b/src/objective-c/GRPCClient/private/GRPCRequestHeaders.h
@@ -34,7 +34,7 @@
 #import <Foundation/Foundation.h>
 #include <grpc/grpc.h>
 
-#import "GRPCCall.h"
+@class GRPCCall.h;
 
 @interface GRPCRequestHeaders : NSObject<GRPCRequestHeaders>