diff --git a/ortools/third_party_solvers/gurobi_environment.h b/ortools/third_party_solvers/gurobi_environment.h
index c1985daf3f..8170f431ec 100644
--- a/ortools/third_party_solvers/gurobi_environment.h
+++ b/ortools/third_party_solvers/gurobi_environment.h
@@ -11,8 +11,8 @@
 // See the License for the specific language governing permissions and
 // limitations under the License.
 
-#ifndef THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
-#define THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
+#ifndef ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
+#define ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
 
 #include <functional>
 #include <vector>
@@ -732,4 +732,4 @@ extern std::function<char *(void)> GRBplatform;
 // clang-format on
 }  // namespace operations_research
 
-#endif  // THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
+#endif  // ORTOOLS_THIRD_PARTY_SOLVERS_GUROBI_ENVIRONMENT_H_
diff --git a/ortools/third_party_solvers/xpress_environment.h b/ortools/third_party_solvers/xpress_environment.h
index aafecf3c4a..b8a7bd0a2a 100644
--- a/ortools/third_party_solvers/xpress_environment.h
+++ b/ortools/third_party_solvers/xpress_environment.h
@@ -13,8 +13,8 @@
 
 // Initial version of this code was provided by RTE
 
-#ifndef THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_
-#define THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_
+#ifndef ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_
+#define ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_
 
 #include <functional>
 #include <string>
@@ -547,4 +547,4 @@ extern std::function<int(XPRSprob prob, const char* flags, int* solvestatus, int
 
 }  // namespace operations_research
 
-#endif  // THIRD_PARTY_ORTOOLS_ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_
+#endif  // ORTOOLS_THIRD_PARTY_SOLVERS_XPRESS_ENVIRONMENT_H_