diff --git a/ortools/lp_data/mps_reader_template.h b/ortools/lp_data/mps_reader_template.h
index 2a253eca2f0..f1df6d86631 100644
--- a/ortools/lp_data/mps_reader_template.h
+++ b/ortools/lp_data/mps_reader_template.h
@@ -291,7 +291,6 @@
 #include "absl/strings/strip.h"
 #include "ortools/base/logging.h"
 #include "ortools/base/map_util.h"
-#include "ortools/base/protobuf_util.h"
 #include "ortools/base/status_macros.h"
 #include "ortools/util/filelineiter.h"