diff --git a/src/support/Messages.cpp b/src/support/Messages.cpp
index 5eee6b7f6d..ca5c110913 100644
--- a/src/support/Messages.cpp
+++ b/src/support/Messages.cpp
@@ -239,9 +239,8 @@ std::string Messages::language() const
         return string();
     }
 
-bool Messages::available(string const & c)
+bool Messages::available(string const & /* c */)
 {
-	(void)c;
 	return false;
 }