diff --git a/test/openpower-pels/mocks.hpp b/test/openpower-pels/mocks.hpp
index a2c3b5a..a6a2665 100644
--- a/test/openpower-pels/mocks.hpp
+++ b/test/openpower-pels/mocks.hpp
@@ -202,7 +202,7 @@
      * @param[in] fd - The file descriptor used
      * @param[in] events - The event bits
      */
-    void receive(sdeventplus::source::IO& source, int fd,
+    void receive(sdeventplus::source::IO& /*source*/, int /*fd*/,
                  uint32_t events) override
     {
         if (!(events & EPOLLIN))