diff --git a/src/Gui/MayaGestureNavigationStyle.cpp b/src/Gui/MayaGestureNavigationStyle.cpp
index f2f3110ee3a8..1661d976f31d 100644
--- a/src/Gui/MayaGestureNavigationStyle.cpp
+++ b/src/Gui/MayaGestureNavigationStyle.cpp
@@ -304,6 +304,8 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                 }
             }
             break;
+        default:
+            break;
         }
     }
     if (processed)
@@ -353,6 +355,8 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                 }
                 processed = TRUE;
                 break;
+            default:
+                break;
             }//switch key
         }
         if (processed)
@@ -381,7 +385,7 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                         this->mousedownConsumedEvent[cnt] = *event;//hopefully, a shallow copy is enough. There are no pointers stored in events, apparently. Will loose a subclass, though.
                         cnt++;
                         assert(cnt<=2);
-                        if(cnt>sizeof(mousedownConsumedEvent)){
+                        if(cnt>static_cast<int>(sizeof(mousedownConsumedEvent))){
                             cnt=sizeof(mousedownConsumedEvent);//we are in trouble
                         }
                         processed = true;//just consume this event, and wait for the move threshold to be broken to start dragging/panning
@@ -490,8 +494,6 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
         if (evIsButton) {
             const SoMouseButtonEvent * const event = (const SoMouseButtonEvent *) ev;
             const int button = event->getButton();
-            const SbBool press //the button was pressed (if false -> released)
-                    = event->getState() == SoButtonEvent::DOWN ? TRUE : FALSE;
             switch(button){
                 case SoMouseButtonEvent::BUTTON1:
                 case SoMouseButtonEvent::BUTTON2:
@@ -512,7 +514,6 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
         //the essence part 1!
         //mouse movement into camera motion. Suppress if in gesture. Ignore until threshold is surpassed.
         if (evIsLoc2 && ! this->inGesture && this->mouseMoveThresholdBroken) {
-            const SoLocation2Event * const event = (const SoLocation2Event *) ev;
             if (curmode == NavigationStyle::ZOOMING) {//doesn't happen
                 this->zoomByCursor(posn, prevnormalized);
                 processed = TRUE;
@@ -608,3 +609,4 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
 finalize:
     return processed;
 }
+