diff --git a/src/Gui/BlenderNavigationStyle.cpp b/src/Gui/BlenderNavigationStyle.cpp
index 7d1a6d2d1d..766ded8dc8 100644
--- a/src/Gui/BlenderNavigationStyle.cpp
+++ b/src/Gui/BlenderNavigationStyle.cpp
@@ -304,7 +304,7 @@ SbBool BlenderNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
diff --git a/src/Gui/CADNavigationStyle.cpp b/src/Gui/CADNavigationStyle.cpp
index d6ac60433f..e3fcc859e6 100644
--- a/src/Gui/CADNavigationStyle.cpp
+++ b/src/Gui/CADNavigationStyle.cpp
@@ -346,7 +346,7 @@ SbBool CADNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
diff --git a/src/Gui/GestureNavigationStyle.cpp b/src/Gui/GestureNavigationStyle.cpp
index 1613aaef63..61c183c923 100644
--- a/src/Gui/GestureNavigationStyle.cpp
+++ b/src/Gui/GestureNavigationStyle.cpp
@@ -311,7 +311,7 @@ SbBool GestureNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     //mode-independent spaceball/joystick handling
     if (evIsLoc3) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
@@ -547,7 +547,7 @@ SbBool GestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                 processed=true;
             } else if (gesture->state == SoGestureEvent::SbGSUpdate){
                 if(type.isDerivedFrom(SoGesturePinchEvent::getClassTypeId())){
-                    const SoGesturePinchEvent* const event = static_cast<const SoGesturePinchEvent* const>(ev);
+                    const SoGesturePinchEvent* const event = static_cast<const SoGesturePinchEvent*>(ev);
                     if (this->zoomAtCursor){
                         //this is just dealing with the pan part of pinch gesture. Taking care of zooming to pos is done in doZoom.
                         SbVec2f panDist = this->normalizePixelPos(event->deltaCenter.getValue());
@@ -559,7 +559,7 @@ SbBool GestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                     processed = true;
                 }
                 if(type.isDerivedFrom(SoGesturePanEvent::getClassTypeId())){
-                    const SoGesturePanEvent* const event = static_cast<const SoGesturePanEvent* const>(ev);
+                    const SoGesturePanEvent* const event = static_cast<const SoGesturePanEvent*>(ev);
                         //this is just dealing with the pan part of pinch gesture. Taking care of zooming to pos is done in doZoom.
                     SbVec2f panDist = this->normalizePixelPos(event->deltaOffset);
                     NavigationStyle::panCamera(viewer->getSoRenderManager()->getCamera(), ratio, this->panningplane, panDist, SbVec2f(0,0));
diff --git a/src/Gui/InventorNavigationStyle.cpp b/src/Gui/InventorNavigationStyle.cpp
index 341036200a..58f7f83e9a 100644
--- a/src/Gui/InventorNavigationStyle.cpp
+++ b/src/Gui/InventorNavigationStyle.cpp
@@ -320,7 +320,7 @@ SbBool InventorNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
diff --git a/src/Gui/MayaGestureNavigationStyle.cpp b/src/Gui/MayaGestureNavigationStyle.cpp
index d4bc97755c..98da13a2aa 100644
--- a/src/Gui/MayaGestureNavigationStyle.cpp
+++ b/src/Gui/MayaGestureNavigationStyle.cpp
@@ -314,7 +314,7 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     //mode-independent spaceball/joystick handling
     if (evIsLoc3) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
@@ -549,7 +549,7 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                 processed=true;
             } else if (gesture->state == SoGestureEvent::SbGSUpdate){
                 if(type.isDerivedFrom(SoGesturePinchEvent::getClassTypeId())){
-                    const SoGesturePinchEvent* const event = static_cast<const SoGesturePinchEvent* const>(ev);
+                    const SoGesturePinchEvent* const event = static_cast<const SoGesturePinchEvent*>(ev);
                     if (this->zoomAtCursor){
                         //this is just dealing with the pan part of pinch gesture. Taking care of zooming to pos is done in doZoom.
                         SbVec2f panDist = this->normalizePixelPos(event->deltaCenter.getValue());
@@ -561,7 +561,7 @@ SbBool MayaGestureNavigationStyle::processSoEvent(const SoEvent * const ev)
                     processed = true;
                 }
                 if(type.isDerivedFrom(SoGesturePanEvent::getClassTypeId())){
-                    const SoGesturePanEvent* const event = static_cast<const SoGesturePanEvent* const>(ev);
+                    const SoGesturePanEvent* const event = static_cast<const SoGesturePanEvent*>(ev);
                         //this is just dealing with the pan part of pinch gesture. Taking care of zooming to pos is done in doZoom.
                     SbVec2f panDist = this->normalizePixelPos(event->deltaOffset);
                     NavigationStyle::panCamera(viewer->getSoRenderManager()->getCamera(), ratio, this->panningplane, panDist, SbVec2f(0,0));
diff --git a/src/Gui/OpenCascadeNavigationStyle.cpp b/src/Gui/OpenCascadeNavigationStyle.cpp
index 097ea18775..87a1dc7a07 100644
--- a/src/Gui/OpenCascadeNavigationStyle.cpp
+++ b/src/Gui/OpenCascadeNavigationStyle.cpp
@@ -313,7 +313,7 @@ SbBool OpenCascadeNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
diff --git a/src/Gui/RevitNavigationStyle.cpp b/src/Gui/RevitNavigationStyle.cpp
index 8f5fddb821..074ccba102 100644
--- a/src/Gui/RevitNavigationStyle.cpp
+++ b/src/Gui/RevitNavigationStyle.cpp
@@ -302,7 +302,7 @@ SbBool RevitNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;
diff --git a/src/Gui/TouchpadNavigationStyle.cpp b/src/Gui/TouchpadNavigationStyle.cpp
index df6864cfb2..b1510a5904 100644
--- a/src/Gui/TouchpadNavigationStyle.cpp
+++ b/src/Gui/TouchpadNavigationStyle.cpp
@@ -284,7 +284,7 @@ SbBool TouchpadNavigationStyle::processSoEvent(const SoEvent * const ev)
 
     // Spaceball & Joystick handling
     if (type.isDerivedFrom(SoMotion3Event::getClassTypeId())) {
-        const SoMotion3Event * const event = static_cast<const SoMotion3Event * const>(ev);
+        const SoMotion3Event * const event = static_cast<const SoMotion3Event *>(ev);
         if (event)
             this->processMotionEvent(event);
         processed = true;