diff --git a/src/google/protobuf/compiler/kotlin/field.cc b/src/google/protobuf/compiler/kotlin/field.cc
index a0344db5aeec8..b947a183d6f63 100644
--- a/src/google/protobuf/compiler/kotlin/field.cc
+++ b/src/google/protobuf/compiler/kotlin/field.cc
@@ -9,7 +9,6 @@
 #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/descriptor.h"
 #include "google/protobuf/io/printer.h"