diff --git a/clean.sh b/clean.sh
deleted file mode 100755
index 5500bf28e..000000000
--- a/clean.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/bin/sh
-find -name CMakeCache.txt -delete
-rm install_manifest.txt
-
-rm -r ./CMakeFiles 
-rm -r ./rtengine/CMakeFiles
-rm -r ./rtexif/CMakeFiles
-rm -r ./rtgui/CMakeFiles
-rm -r ./rtdata/CMakeFiles
-
-rm ./cmake*
-rm ./rtengine/cmake*
-rm ./rtexif/cmake*
-rm ./rtgui/cmake*
-rm ./rtdata/cmake*
-
-rm ./Makefile
-rm ./rtengine/Makefile
-rm ./rtexif/Makefile
-rm ./rtgui/Makefile
-rm ./rtdata/Makefile
-
-rm ./rtengine/librtengine.so
-rm ./rtengine/librtengine.a
-rm ./rtgui/rawtherapee
-rm ./rtexif/librtexif.so
-rm ./rtexif/librtexif.a
-exit 0
diff --git a/rtengine/procparams.cc b/rtengine/procparams.cc
index 70b764da1..0b4d2a5b6 100644
--- a/rtengine/procparams.cc
+++ b/rtengine/procparams.cc
@@ -753,13 +753,13 @@ void WaveletParams::setDefaults()
     hhcurve.push_back(FCT_Linear);
     Chcurve.clear ();
     Chcurve.push_back(FCT_Linear);
-    expcontrast = true;
-    expchroma = true;
-    expedge = true;
-    expresid = true;
-    expfinal = true;
-    exptoning = true;
-    expnoise = true;
+    expcontrast = false;
+    expchroma = false;
+    expedge = false;
+    expresid = false;
+    expfinal = false;
+    exptoning = false;
+    expnoise = false;
 
     for(int i = 0; i < 9; i ++) {
         c[i] = 0;
diff --git a/rtgui/cropwindow.cc b/rtgui/cropwindow.cc
index 49d548956..85424d074 100644
--- a/rtgui/cropwindow.cc
+++ b/rtgui/cropwindow.cc
@@ -2562,8 +2562,10 @@ void CropWindow::setCropGUIListener       (CropGUIListener* cgl)
 void CropWindow::setPointerMotionListener (PointerMotionListener* pml)
 {
     pmlistener = pml;
-    pml->signal_cycle_rgb().connect( sigc::mem_fun(*this, &CropWindow::cycleRGB) );
-    pml->signal_cycle_hsv().connect( sigc::mem_fun(*this, &CropWindow::cycleHSV) );
+    if (pml) {
+        pml->signal_cycle_rgb().connect( sigc::mem_fun(*this, &CropWindow::cycleRGB) );
+        pml->signal_cycle_hsv().connect( sigc::mem_fun(*this, &CropWindow::cycleHSV) );
+    }
 }
 
 PointerMotionListener* CropWindow::getPointerMotionListener ()