diff --git a/src/fgt/edit_quality/qualitymapper.h b/src/fgt/edit_quality/qualitymapper.h
index 292bc381d..e51de6393 100644
--- a/src/fgt/edit_quality/qualitymapper.h
+++ b/src/fgt/edit_quality/qualitymapper.h
@@ -65,8 +65,6 @@ public:
 
 	QPoint cur;
 	bool haveToPick;
-
-	void ComputePerVertexQualityHistogram( CMeshO & m, vcg::Frange range, Histogramf &h, int bins);	
 };
 
 #endif
diff --git a/src/fgt/edit_quality/qualitymapperdialog.ui b/src/fgt/edit_quality/qualitymapperdialog.ui
index a0f5c14eb..3e8744298 100644
--- a/src/fgt/edit_quality/qualitymapperdialog.ui
+++ b/src/fgt/edit_quality/qualitymapperdialog.ui
@@ -307,9 +307,15 @@
              </item>
              <item row="1" column="0" colspan="2" >
               <widget class="QDoubleSpinBox" name="brightessSpinBox" >
+               <property name="accelerated" >
+                <bool>true</bool>
+               </property>
                <property name="maximum" >
                 <double>2.000000000000000</double>
                </property>
+               <property name="singleStep" >
+                <double>0.010000000000000</double>
+               </property>
                <property name="value" >
                 <double>1.000000000000000</double>
                </property>
@@ -410,6 +416,9 @@
               <height>200</height>
              </size>
             </property>
+            <property name="autoFillBackground" >
+             <bool>true</bool>
+            </property>
             <property name="frameShape" >
              <enum>QFrame::StyledPanel</enum>
             </property>