diff --git a/src/google/protobuf/compiler/java/full/map_field.cc b/src/google/protobuf/compiler/java/full/map_field.cc
index 03fb9e49d47cd..94e162a1513b1 100644
--- a/src/google/protobuf/compiler/java/full/map_field.cc
+++ b/src/google/protobuf/compiler/java/full/map_field.cc
@@ -16,7 +16,6 @@
 #include "google/protobuf/compiler/java/doc_comment.h"
 #include "google/protobuf/compiler/java/field_common.h"
 #include "google/protobuf/compiler/java/helpers.h"
-#include "google/protobuf/compiler/java/internal_helpers.h"
 #include "google/protobuf/compiler/java/name_resolver.h"
 #include "google/protobuf/io/printer.h"