diff --git a/src/Mod/Start/Gui/Command.cpp b/src/Mod/Start/Gui/Command.cpp
index 74f8954f4..15ed4f214 100644
--- a/src/Mod/Start/Gui/Command.cpp
+++ b/src/Mod/Start/Gui/Command.cpp
@@ -50,9 +50,9 @@ CmdStartConstraintAxle::CmdStartConstraintAxle()
 
 void CmdStartConstraintAxle::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     // load the file with the module
     //Command::doCommand(Command::Gui, "import Start, StartGui");
-      
 }
 
 
diff --git a/src/Mod/Start/Gui/Workbench.cpp b/src/Mod/Start/Gui/Workbench.cpp
index 190dcc5b0..1b902e39e 100644
--- a/src/Mod/Start/Gui/Workbench.cpp
+++ b/src/Mod/Start/Gui/Workbench.cpp
@@ -84,9 +84,10 @@ void StartGui::Workbench::activated()
     }
 }
 
-void StartGui::Workbench::setupContextMenu(const char* recipient,Gui::MenuItem* item) const
+void StartGui::Workbench::setupContextMenu(const char* recipient, Gui::MenuItem* item) const
 {
-
+    Q_UNUSED(recipient);
+    Q_UNUSED(item);
 }
 
 Gui::MenuItem* StartGui::Workbench::setupMenuBar() const
diff --git a/src/Mod/Web/Gui/BrowserView.cpp b/src/Mod/Web/Gui/BrowserView.cpp
index c66262fb6..abad0ba85 100644
--- a/src/Mod/Web/Gui/BrowserView.cpp
+++ b/src/Mod/Web/Gui/BrowserView.cpp
@@ -359,12 +359,14 @@ void BrowserView::onOpenLinkInNewWindow(const QUrl& url)
 
 void BrowserView::OnChange(Base::Subject<const char*> &rCaller,const char* rcReason)
 {
+    Q_UNUSED(rCaller);
+    Q_UNUSED(rcReason);
 }
 
 /**
  * Runs the action specified by \a pMsg.
  */
-bool BrowserView::onMsg(const char* pMsg,const char** ppReturn)
+bool BrowserView::onMsg(const char* pMsg,const char** )
 {
     if (strcmp(pMsg,"Back")==0){
         view->back();
diff --git a/src/Mod/Web/Gui/Command.cpp b/src/Mod/Web/Gui/Command.cpp
index 66086a87e..06e0f9fd7 100644
--- a/src/Mod/Web/Gui/Command.cpp
+++ b/src/Mod/Web/Gui/Command.cpp
@@ -58,6 +58,7 @@ CmdWebOpenWebsite::CmdWebOpenWebsite()
 
 void CmdWebOpenWebsite::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Doc,"import WebGui");
     doCommand(Command::Gui,"WebGui.openBrowser('http://www.freecadweb.org/')");
 }
@@ -82,6 +83,7 @@ CmdWebBrowserBack::CmdWebBrowserBack()
 
 void CmdWebBrowserBack::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('Back')");
 }
 
@@ -110,6 +112,7 @@ CmdWebBrowserNext::CmdWebBrowserNext()
 
 void CmdWebBrowserNext::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('Next')");
 }
 
@@ -138,6 +141,7 @@ CmdWebBrowserRefresh::CmdWebBrowserRefresh()
 
 void CmdWebBrowserRefresh::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('Refresh')");
 }
 
@@ -166,6 +170,7 @@ CmdWebBrowserStop::CmdWebBrowserStop()
 
 void CmdWebBrowserStop::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('Stop')");
 }
 
@@ -194,6 +199,7 @@ CmdWebBrowserZoomIn::CmdWebBrowserZoomIn()
 
 void CmdWebBrowserZoomIn::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('ZoomIn')");
 }
 
@@ -222,6 +228,7 @@ CmdWebBrowserZoomOut::CmdWebBrowserZoomOut()
 
 void CmdWebBrowserZoomOut::activated(int iMsg)
 {
+    Q_UNUSED(iMsg);
     doCommand(Command::Gui,"Gui.SendMsgToActiveView('ZoomOut')");
 }
 
diff --git a/src/Mod/Web/Gui/Workbench.cpp b/src/Mod/Web/Gui/Workbench.cpp
index 53cff0f11..163322b57 100644
--- a/src/Mod/Web/Gui/Workbench.cpp
+++ b/src/Mod/Web/Gui/Workbench.cpp
@@ -59,6 +59,8 @@ Workbench::~Workbench()
 
 void Workbench::setupContextMenu(const char* recipient,Gui::MenuItem* item) const
 {
+    Q_UNUSED(recipient);
+    Q_UNUSED(item);
     //if (strcmp(recipient,"View") == 0)
     //{
     //    Gui::MenuItem* StdViews = new Gui::MenuItem();