diff --git a/src/cpp/common/channel_filter.h b/src/cpp/common/channel_filter.h
index 6f5af3dec315ea2dd0819392193145cd295765c3..ae32e02f6994f77a498b636e3c30ba6b1971f126 100644
--- a/src/cpp/common/channel_filter.h
+++ b/src/cpp/common/channel_filter.h
@@ -42,6 +42,7 @@
 #include <vector>
 
 #include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/security/context/security_context.h"
 #include "src/core/lib/surface/channel_init.h"
 #include "src/core/lib/transport/metadata_batch.h"
 
@@ -54,11 +55,6 @@
 ///       "name-of-filter", GRPC_SERVER_CHANNEL, INT_MAX, nullptr);
 /// \endcode
 
-/// Forward declaration to avoid including the file
-/// "src/core/lib/security/context/security_context.h"
-struct grpc_client_security_context;
-struct grpc_server_security_context;
-
 namespace grpc {
 
 /// A C++ wrapper for the \c grpc_metadata_batch struct.