diff --git a/gui/projectfiledialog.cpp b/gui/projectfiledialog.cpp
index 7a4fbfd7d..c9b51b1d4 100644
--- a/gui/projectfiledialog.cpp
+++ b/gui/projectfiledialog.cpp
@@ -272,6 +272,7 @@ void ProjectFileDialog::loadFromProjectFile(const ProjectFile *projectFile)
     setSuppressions(projectFile->getSuppressions());
 
     // Human knowledge..
+    /*
     mUI.mListUnknownFunctionReturn->clear();
     mUI.mListUnknownFunctionReturn->addItem("rand()");
     for (int row = 0; row < mUI.mListUnknownFunctionReturn->count(); ++row) {
@@ -284,6 +285,7 @@ void ProjectFileDialog::loadFromProjectFile(const ProjectFile *projectFile)
     mUI.mCheckSafeExternalFunctions->setChecked(projectFile->getSafeChecks().externalFunctions);
     mUI.mCheckSafeInternalFunctions->setChecked(projectFile->getSafeChecks().internalFunctions);
     mUI.mCheckSafeExternalVariables->setChecked(projectFile->getSafeChecks().externalVariables);
+    */
 
     // Addons..
     QSettings settings;
@@ -339,6 +341,7 @@ void ProjectFileDialog::saveToProjectFile(ProjectFile *projectFile) const
     }
     projectFile->setSuppressions(getSuppressions());
     // Human knowledge
+    /*
     QStringList unknownReturnValues;
     for (int row = 0; row < mUI.mListUnknownFunctionReturn->count(); ++row) {
         QListWidgetItem *item = mUI.mListUnknownFunctionReturn->item(row);
@@ -352,6 +355,7 @@ void ProjectFileDialog::saveToProjectFile(ProjectFile *projectFile) const
     safeChecks.internalFunctions = mUI.mCheckSafeInternalFunctions->isChecked();
     safeChecks.externalVariables = mUI.mCheckSafeExternalVariables->isChecked();
     projectFile->setSafeChecks(safeChecks);
+    */
     // Addons
     QStringList list;
     if (mUI.mAddonThreadSafety->isChecked())
diff --git a/gui/projectfiledialog.ui b/gui/projectfiledialog.ui
index cb816d7c2..fd775d3bc 100644
--- a/gui/projectfiledialog.ui
+++ b/gui/projectfiledialog.ui
@@ -415,157 +415,6 @@
        </item>
       </layout>
      </widget>
-     <widget class="QWidget" name="mTabHumanKnownledge">
-      <attribute name="title">
-       <string>Extended checks</string>
-      </attribute>
-      <layout class="QVBoxLayout" name="verticalLayout_19">
-       <item>
-        <widget class="QGroupBox" name="groupBox_10">
-         <property name="sizePolicy">
-          <sizepolicy hsizetype="Preferred" vsizetype="Expanding">
-           <horstretch>0</horstretch>
-           <verstretch>0</verstretch>
-          </sizepolicy>
-         </property>
-         <property name="title">
-          <string>&quot;Safe&quot; interface: Cppcheck does not only check how it is actually used, but analyze any possible usage.</string>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout_16">
-          <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="QScrollArea" name="scrollArea">
-            <property name="minimumSize">
-             <size>
-              <width>0</width>
-              <height>200</height>
-             </size>
-            </property>
-            <property name="horizontalScrollBarPolicy">
-             <enum>Qt::ScrollBarAlwaysOff</enum>
-            </property>
-            <property name="widgetResizable">
-             <bool>true</bool>
-            </property>
-            <widget class="QWidget" name="scrollAreaWidgetContents">
-             <property name="geometry">
-              <rect>
-               <x>0</x>
-               <y>0</y>
-               <width>840</width>
-               <height>273</height>
-              </rect>
-             </property>
-             <layout class="QVBoxLayout" name="verticalLayout_17">
-              <item>
-               <widget class="QCheckBox" name="mCheckSafeClasses">
-                <property name="enabled">
-                 <bool>true</bool>
-                </property>
-                <property name="text">
-                 <string>Classes - Public interface
- - public function parameters can have any value
- - public functions can be called in any order
- - public variables can have any value</string>
-                </property>
-                <property name="checked">
-                 <bool>true</bool>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QCheckBox" name="mCheckSafeExternalFunctions">
-                <property name="text">
-                 <string>External functions
- - External functions can be called in any order
- - Function parameters can have any value</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QCheckBox" name="mCheckSafeExternalVariables">
-                <property name="text">
-                 <string>External variables
- - Variable can have any value</string>
-                </property>
-               </widget>
-              </item>
-              <item>
-               <widget class="QCheckBox" name="mCheckSafeInternalFunctions">
-                <property name="text">
-                 <string>Internal/private functions
- - Function parameters can have any value</string>
-                </property>
-               </widget>
-              </item>
-             </layout>
-            </widget>
-           </widget>
-          </item>
-         </layout>
-        </widget>
-       </item>
-       <item>
-        <widget class="QGroupBox" name="groupBox_13">
-         <property name="title">
-          <string>Input from file/network/user/...</string>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout_14">
-          <item>
-           <widget class="QLabel" name="label_6">
-            <property name="text">
-             <string>If the return value from a function below is always completely unknown, then click on its checkbox</string>
-            </property>
-            <property name="wordWrap">
-             <bool>true</bool>
-            </property>
-           </widget>
-          </item>
-          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_9">
-            <item>
-             <widget class="QListWidget" name="mListUnknownFunctionReturn">
-              <property name="maximumSize">
-               <size>
-                <width>16777215</width>
-                <height>60</height>
-               </size>
-              </property>
-              <item>
-               <property name="text">
-                <string>rand()</string>
-               </property>
-              </item>
-             </widget>
-            </item>
-            <item>
-             <widget class="QPushButton" name="mButtonAddUnknownFunctionReturn">
-              <property name="enabled">
-               <bool>false</bool>
-              </property>
-              <property name="text">
-               <string>Add..</string>
-              </property>
-             </widget>
-            </item>
-           </layout>
-          </item>
-         </layout>
-        </widget>
-       </item>
-      </layout>
-     </widget>
      <widget class="QWidget" name="mTabWarningOptions">
       <attribute name="title">
        <string>Warning options</string>