diff --git a/mlir/test/CAPI/smt.c b/mlir/test/CAPI/smt.c
index a621147c91b61..7e206fc3fbb6a 100644
--- a/mlir/test/CAPI/smt.c
+++ b/mlir/test/CAPI/smt.c
@@ -44,6 +44,7 @@ void testExportSMTLIB(MlirContext ctx) {
   result = mlirTranslateModuleToSMTLIB(module, dumpCallback, NULL, false, false,
                                        false);
   assert(mlirLogicalResultIsSuccess(result));
+  (void)result;
 
   // CHECK-NOT: (reset)
   mlirModuleDestroy(module);