diff --git a/ortools/init/init.h b/ortools/init/init.h
index 4ba633cd3c..0575d5626c 100644
--- a/ortools/init/init.h
+++ b/ortools/init/init.h
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef OR_TOOLS_OPEN_SOURCE_INIT_INIT_H_
-#define OR_TOOLS_OPEN_SOURCE_INIT_INIT_H_
+#ifndef OR_TOOLS_INIT_INIT_H_
+#define OR_TOOLS_INIT_INIT_H_
 
 #include <cstdint>
 #include <string>
@@ -177,4 +177,4 @@ class OrToolsVersion {
 
 }  // namespace operations_research
 
-#endif  // OR_TOOLS_OPEN_SOURCE_INIT_INIT_H_
+#endif  // OR_TOOLS_INIT_INIT_H_
diff --git a/ortools/init/python/init_doc.h b/ortools/init/python/init_doc.h
index c651b193fe..2ff4659c0a 100644
--- a/ortools/init/python/init_doc.h
+++ b/ortools/init/python/init_doc.h
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef OR_TOOLS_OPEN_SOURCE_INIT_PYTHON_INIT_DOC_H_
-#define OR_TOOLS_OPEN_SOURCE_INIT_PYTHON_INIT_DOC_H_
+#ifndef OR_TOOLS_INIT_PYTHON_INIT_DOC_H_
+#define OR_TOOLS_INIT_PYTHON_INIT_DOC_H_
 
 /*
   This file contains docstrings for use in the Python bindings.
@@ -141,4 +141,4 @@ static const char* __doc_operations_research_OrToolsVersion_VersionString =
 #pragma GCC diagnostic pop
 #endif
 
-#endif  // OR_TOOLS_OPEN_SOURCE_INIT_PYTHON_INIT_DOC_H_
+#endif  // OR_TOOLS_INIT_PYTHON_INIT_DOC_H_