diff --git a/libpldmresponder/pdr_state_sensor.hpp b/libpldmresponder/pdr_state_sensor.hpp
index b75757e..80b829b 100644
--- a/libpldmresponder/pdr_state_sensor.hpp
+++ b/libpldmresponder/pdr_state_sensor.hpp
@@ -104,7 +104,7 @@
                 }
             }
         }
-        catch (const std::exception& ex)
+        catch (const std::exception&)
         {
             pdr->entity_type = e.value("type", 0);
             pdr->entity_instance = e.value("instance", 0);