diff --git a/openmp/tools/omptest/src/OmptAssertEvent.cpp b/openmp/tools/omptest/src/OmptAssertEvent.cpp
index bbf2d7cd4a10f..a5a2e7969e980 100644
--- a/openmp/tools/omptest/src/OmptAssertEvent.cpp
+++ b/openmp/tools/omptest/src/OmptAssertEvent.cpp
@@ -24,9 +24,6 @@ const char *omptest::to_string(ObserveState State) {
     return "Always";
   case ObserveState::Never:
     return "Never";
-  default:
-    assert(false && "Requested string representation for unknown ObserveState");
-    return "UNKNOWN";
   }
 }