diff --git a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/associations/impl/FileAssociationsConfigurable.java b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/associations/impl/FileAssociationsConfigurable.java
index f899103c6ed2..9ac5c55b5037 100644
--- a/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/associations/impl/FileAssociationsConfigurable.java
+++ b/plugins/xpath/xpath-lang/src/org/intellij/lang/xpath/xslt/associations/impl/FileAssociationsConfigurable.java
@@ -20,7 +20,6 @@ import com.intellij.ide.util.treeView.TreeState;
 import com.intellij.openapi.application.ReadAction;
 import com.intellij.openapi.components.*;
 import com.intellij.openapi.options.Configurable;
-import com.intellij.openapi.options.ConfigurationException;
 import com.intellij.openapi.options.SearchableConfigurable;
 import com.intellij.openapi.options.ShowSettingsUtil;
 import com.intellij.openapi.project.Project;
@@ -53,16 +52,16 @@ public class FileAssociationsConfigurable implements SearchableConfigurable, Con
     @Override
     public JComponent createComponent() {
       myEditor = ReadAction.compute(() -> new AssociationsEditor(myProject, myState.state));
-        return myEditor.getComponent();
+      return myEditor.getComponent();
     }
 
     @Override
-    public synchronized boolean isModified() {
+    public boolean isModified() {
         return myEditor != null && myEditor.isModified();
     }
 
     @Override
-    public void apply() throws ConfigurationException {
+    public void apply() {
         myEditor.apply();
         DaemonCodeAnalyzer.getInstance(myProject).restart();
     }
@@ -73,7 +72,7 @@ public class FileAssociationsConfigurable implements SearchableConfigurable, Con
     }
 
     @Override
-    public synchronized void disposeUIResources() {
+    public void disposeUIResources() {
         if (myEditor != null) {
             myState.state = myEditor.getState();
             myEditor.dispose();