diff --git a/platform/lang-impl/src/com/intellij/openapi/fileTypes/impl/FileTypeConfigurable.java b/platform/lang-impl/src/com/intellij/openapi/fileTypes/impl/FileTypeConfigurable.java
index 76f6b53d856f..87ad709c249e 100644
--- a/platform/lang-impl/src/com/intellij/openapi/fileTypes/impl/FileTypeConfigurable.java
+++ b/platform/lang-impl/src/com/intellij/openapi/fileTypes/impl/FileTypeConfigurable.java
@@ -291,21 +291,6 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
     return null;
   }
 
-  @Nullable
-  public FileType addNewPattern(FileType type, String pattern) {
-    FileNameMatcher matcher = FileTypeManager.parseFromString(pattern);
-    final FileType existing = findExistingFileType(matcher);
-    if (existing != null) {
-      return existing;
-    }
-
-    myTempPatternsTable.addAssociation(matcher, type);
-    myPatterns.addPatternAndSelect(pattern);
-    IdeFocusManager.getGlobalInstance().doWhenFocusSettlesDown(() -> IdeFocusManager.getGlobalInstance().requestFocus(myPatterns.myPatternsList, true));
-
-    return null;
-  }
-
   private void removePattern() {
     FileType type = myRecognizedFileType.getSelectedFileType();
     if (type == null) return;
@@ -323,19 +308,19 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
   }
 
   public static class RecognizedFileTypes extends JPanel {
-    private final JList myFileTypesList;
+    private final JList<FileType> myFileTypesList;
     private final MySpeedSearch mySpeedSearch;
     private FileTypeConfigurable myController;
 
     public RecognizedFileTypes() {
       super(new BorderLayout());
 
-      myFileTypesList = new JBList(new DefaultListModel());
+      myFileTypesList = new JBList<>(new DefaultListModel<>());
       myFileTypesList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
       myFileTypesList.setCellRenderer(new FileTypeRenderer(() -> {
         ArrayList<FileType> result = new ArrayList<>();
         for (int i = 0; i < myFileTypesList.getModel().getSize(); i++) {
-          result.add((FileType)myFileTypesList.getModel().getElementAt(i));
+          result.add(myFileTypesList.getModel().getElementAt(i));
         }
         return result;
       }));
@@ -443,7 +428,7 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
     }
 
     public FileType getSelectedFileType() {
-      return (FileType)myFileTypesList.getSelectedValue();
+      return myFileTypesList.getSelectedValue();
     }
 
     public JComponent getComponent() {
@@ -451,7 +436,7 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
     }
 
     public void setFileTypes(FileType[] types) {
-      DefaultListModel listModel = (DefaultListModel)myFileTypesList.getModel();
+      DefaultListModel<FileType> listModel = (DefaultListModel<FileType>)myFileTypesList.getModel();
       listModel.clear();
       for (FileType type : types) {
         if (type != FileTypes.UNKNOWN) {
@@ -472,12 +457,12 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
   }
 
   public static class PatternsPanel extends JPanel {
-    private final JBList myPatternsList;
+    private final JBList<String> myPatternsList;
     private FileTypeConfigurable myController;
 
     public PatternsPanel() {
       super(new BorderLayout());
-      myPatternsList = new JBList(new DefaultListModel());
+      myPatternsList = new JBList<>(new DefaultListModel<>());
       myPatternsList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);
       myPatternsList.setCellRenderer(new ExtensionRenderer());
       myPatternsList.getEmptyText().setText(FileTypesBundle.message("filetype.settings.no.patterns"));
@@ -502,8 +487,8 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
       myPatternsList.clearSelection();
     }
 
-    private DefaultListModel getListModel() {
-      return (DefaultListModel)myPatternsList.getModel();
+    private DefaultListModel<String> getListModel() {
+      return (DefaultListModel<String>)myPatternsList.getModel();
     }
 
     public void addPattern(String pattern) {
@@ -514,37 +499,30 @@ public class FileTypeConfigurable implements SearchableConfigurable, Configurabl
       ScrollingUtil.ensureSelectionExists(myPatternsList);
     }
 
-    public void addPatternAndSelect(String pattern) {
-      addPattern(pattern);
-      ScrollingUtil.selectItem(myPatternsList, getListModel().getSize() - 1);
-    }
-
     public void select(final String pattern) {
       for (int i = 0; i < myPatternsList.getItemsCount(); i++) {
-        final Object at = myPatternsList.getModel().getElementAt(i);
-        if (at instanceof String) {
-          final FileNameMatcher matcher = FileTypeManager.parseFromString((String)at);
-          if (matcher.acceptsCharSequence(pattern)) {
-            ScrollingUtil.selectItem(myPatternsList, i);
-            return;
-          }
+        final String at = myPatternsList.getModel().getElementAt(i);
+        final FileNameMatcher matcher = FileTypeManager.parseFromString(at);
+        if (matcher.acceptsCharSequence(pattern)) {
+          ScrollingUtil.selectItem(myPatternsList, i);
+          return;
         }
       }
     }
 
     public String removeSelected() {
-      Object selectedValue = myPatternsList.getSelectedValue();
+      String selectedValue = myPatternsList.getSelectedValue();
       if (selectedValue == null) return null;
       ListUtil.removeSelectedItems(myPatternsList);
-      return (String)selectedValue;
+      return selectedValue;
     }
 
     public String getDefaultExtension() {
-      return (String)getListModel().getElementAt(0);
+      return getListModel().getElementAt(0);
     }
 
     public String getSelectedItem() {
-      return (String)myPatternsList.getSelectedValue();
+      return myPatternsList.getSelectedValue();
     }
   }