diff --git a/src/ProcessInfo.cpp b/src/ProcessInfo.cpp
index 78598042c..7a0ecefbf 100644
--- a/src/ProcessInfo.cpp
+++ b/src/ProcessInfo.cpp
@@ -682,6 +682,7 @@ private:
     }
 
     virtual bool readEnvironment(int aPid) {
+	Q_UNUSED(aPid);
         // Not supported in FreeBSD?
         return false;
     }
diff --git a/src/Pty.cpp b/src/Pty.cpp
index 9b5c6d54b..973a58809 100644
--- a/src/Pty.cpp
+++ b/src/Pty.cpp
@@ -148,6 +148,8 @@ void Pty::setUtf8Mode(bool enable)
         if (!pty()->tcSetAttr(&ttmode))
             kWarning() << "Unable to set terminal attributes.";
     }
+#else
+    Q_UNUSED(enable);
 #endif
 }