diff --git a/resources/forms/brushProperties.ui b/resources/forms/brushProperties.ui
index 2866714e..4f9d7268 100644
--- a/resources/forms/brushProperties.ui
+++ b/resources/forms/brushProperties.ui
@@ -20,6 +20,56 @@
    <enum>QFrame::Plain</enum>
   </property>
   <layout class="QGridLayout" name="gridLayout">
+   <item row="5" column="0" colspan="3">
+    <widget class="QFrame" name="pressureFrame">
+     <property name="frameShape">
+      <enum>QFrame::NoFrame</enum>
+     </property>
+     <property name="frameShadow">
+      <enum>QFrame::Raised</enum>
+     </property>
+     <layout class="QHBoxLayout" name="horizontalLayout_4">
+      <property name="leftMargin">
+       <number>0</number>
+      </property>
+      <property name="topMargin">
+       <number>0</number>
+      </property>
+      <property name="rightMargin">
+       <number>0</number>
+      </property>
+      <property name="bottomMargin">
+       <number>0</number>
+      </property>
+      <item>
+       <widget class="QCheckBox" name="pressureSensitiveCheckBox">
+        <property name="sizePolicy">
+         <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
+          <horstretch>0</horstretch>
+          <verstretch>0</verstretch>
+         </sizepolicy>
+        </property>
+        <property name="text">
+         <string>Pen is Pressure Sensitive</string>
+        </property>
+       </widget>
+      </item>
+      <item>
+       <spacer name="seSpacer">
+        <property name="orientation">
+         <enum>Qt::Horizontal</enum>
+        </property>
+        <property name="sizeHint" stdset="0">
+         <size>
+          <width>198</width>
+          <height>20</height>
+         </size>
+        </property>
+       </spacer>
+      </item>
+     </layout>
+    </widget>
+   </item>
    <item row="0" column="1">
     <spacer name="nSpacer">
      <property name="orientation">
@@ -447,104 +497,6 @@
      </property>
     </spacer>
    </item>
-   <item row="5" column="0" colspan="3">
-    <widget class="QFrame" name="pressureFrame">
-     <property name="frameShape">
-      <enum>QFrame::NoFrame</enum>
-     </property>
-     <property name="frameShadow">
-      <enum>QFrame::Raised</enum>
-     </property>
-     <layout class="QHBoxLayout" name="horizontalLayout_4">
-      <property name="leftMargin">
-       <number>0</number>
-      </property>
-      <property name="topMargin">
-       <number>0</number>
-      </property>
-      <property name="rightMargin">
-       <number>0</number>
-      </property>
-      <property name="bottomMargin">
-       <number>0</number>
-      </property>
-      <item>
-       <widget class="QCheckBox" name="pressureSensitiveCheckBox">
-        <property name="sizePolicy">
-         <sizepolicy hsizetype="MinimumExpanding" vsizetype="Fixed">
-          <horstretch>0</horstretch>
-          <verstretch>0</verstretch>
-         </sizepolicy>
-        </property>
-        <property name="text">
-         <string>Pen is Pressure Sensitive</string>
-        </property>
-       </widget>
-      </item>
-      <item>
-       <spacer name="seSpacer">
-        <property name="orientation">
-         <enum>Qt::Horizontal</enum>
-        </property>
-        <property name="sizeHint" stdset="0">
-         <size>
-          <width>198</width>
-          <height>20</height>
-         </size>
-        </property>
-       </spacer>
-      </item>
-     </layout>
-    </widget>
-   </item>
-   <item row="7" column="0" colspan="2">
-    <layout class="QHBoxLayout" name="interpolationFrame">
-     <item>
-      <widget class="QCheckBox" name="interpolateStrokesCheckBox">
-       <property name="text">
-        <string>Smooth strokes (experimental)</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="horizontalSpacer_3">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
-   <item row="8" column="0" colspan="2">
-    <layout class="QHBoxLayout" name="strokeSimplificationFrame">
-     <item>
-      <widget class="QCheckBox" name="simplifyStrokesCheckBox">
-       <property name="text">
-        <string>Simplify strokes after drawing (experimental)</string>
-       </property>
-      </widget>
-     </item>
-     <item>
-      <spacer name="horizontalSpacer_4">
-       <property name="orientation">
-        <enum>Qt::Horizontal</enum>
-       </property>
-       <property name="sizeHint" stdset="0">
-        <size>
-         <width>40</width>
-         <height>20</height>
-        </size>
-       </property>
-      </spacer>
-     </item>
-    </layout>
-   </item>
   </layout>
  </widget>
  <customwidgets>
diff --git a/src/core/UBPreferencesController.cpp b/src/core/UBPreferencesController.cpp
index 4bd2bd75..8e787e56 100644
--- a/src/core/UBPreferencesController.cpp
+++ b/src/core/UBPreferencesController.cpp
@@ -165,8 +165,6 @@ void UBPreferencesController::wire()
     connect(mPenProperties->mediumSlider, SIGNAL(valueChanged(int)), this, SLOT(widthSliderChanged(int)));
     connect(mPenProperties->strongSlider, SIGNAL(valueChanged(int)), this, SLOT(widthSliderChanged(int)));
     connect(mPenProperties->pressureSensitiveCheckBox, SIGNAL(clicked(bool)), settings, SLOT(setPenPressureSensitive(bool)));
-    connect(mPenProperties->interpolateStrokesCheckBox, SIGNAL(clicked(bool)), settings->boardInterpolatePenStrokes, SLOT(setBool(bool)));
-    connect(mPenProperties->simplifyStrokesCheckBox, SIGNAL(clicked(bool)), settings->boardSimplifyPenStrokes, SLOT(setBool(bool)));
 
     // marker
     QList<QColor> markerLightBackgroundColors = settings->boardMarkerLightBackgroundColors->colors();
@@ -184,8 +182,6 @@ void UBPreferencesController::wire()
     connect(mMarkerProperties->mediumSlider, SIGNAL(valueChanged(int)), this, SLOT(widthSliderChanged(int)));
     connect(mMarkerProperties->strongSlider, SIGNAL(valueChanged(int)), this, SLOT(widthSliderChanged(int)));
     connect(mMarkerProperties->pressureSensitiveCheckBox, SIGNAL(clicked(bool)), settings, SLOT(setMarkerPressureSensitive(bool)));
-    connect(mMarkerProperties->interpolateStrokesCheckBox, SIGNAL(clicked(bool)), settings->boardInterpolateMarkerStrokes, SLOT(setBool(bool)));
-    connect(mMarkerProperties->simplifyStrokesCheckBox, SIGNAL(clicked(bool)), settings->boardSimplifyMarkerStrokes, SLOT(setBool(bool)));
     connect(mMarkerProperties->opacitySlider, SIGNAL(valueChanged(int)), this, SLOT(opacitySliderChanged(int)));
 
     // about tab
@@ -233,16 +229,12 @@ void UBPreferencesController::init()
     mPenProperties->mediumSlider->setValue(settings->boardPenMediumWidth->get().toDouble() * sSliderRatio);
     mPenProperties->strongSlider->setValue(settings->boardPenStrongWidth->get().toDouble() * sSliderRatio);
     mPenProperties->pressureSensitiveCheckBox->setChecked(settings->boardPenPressureSensitive->get().toBool());
-    mPenProperties->interpolateStrokesCheckBox->setChecked(settings->boardInterpolatePenStrokes->get().toBool());
-    mPenProperties->simplifyStrokesCheckBox->setChecked(settings->boardSimplifyPenStrokes->get().toBool());
 
     // marker tab
     mMarkerProperties->fineSlider->setValue(settings->boardMarkerFineWidth->get().toDouble() * sSliderRatio);
     mMarkerProperties->mediumSlider->setValue(settings->boardMarkerMediumWidth->get().toDouble() * sSliderRatio);
     mMarkerProperties->strongSlider->setValue(settings->boardMarkerStrongWidth->get().toDouble() * sSliderRatio);
     mMarkerProperties->pressureSensitiveCheckBox->setChecked(settings->boardMarkerPressureSensitive->get().toBool());
-    mMarkerProperties->interpolateStrokesCheckBox->setChecked(settings->boardInterpolateMarkerStrokes->get().toBool());
-    mMarkerProperties->simplifyStrokesCheckBox->setChecked(settings->boardSimplifyMarkerStrokes->get().toBool());
 
     mMarkerProperties->opacitySlider->setValue(settings->boardMarkerAlpha->get().toDouble() * 100);