diff --git a/generators/org/jetbrains/jet/generators/tests/GenerateTests.java b/generators/org/jetbrains/jet/generators/tests/GenerateTests.java
index 2986708dde8..fb53e2a6a2b 100644
--- a/generators/org/jetbrains/jet/generators/tests/GenerateTests.java
+++ b/generators/org/jetbrains/jet/generators/tests/GenerateTests.java
@@ -347,7 +347,8 @@ public class GenerateTests {
                 testModel("idea/testData/codeInsight/codeTransformations/branched/when/introduceSubject", "doTestIntroduceWhenSubject"),
                 testModel("idea/testData/codeInsight/codeTransformations/branched/when/eliminateSubject", "doTestEliminateWhenSubject"),
                 testModel("idea/testData/codeInsight/codeTransformations/declarations/split", "doTestSplitProperty"),
-                testModel("idea/testData/codeInsight/codeTransformations/declarations/join", "doTestJoinProperty")
+                testModel("idea/testData/codeInsight/codeTransformations/declarations/join", "doTestJoinProperty"),
+                testModel("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses", "doTestRemoveUnnecessaryParentheses")
         );
 
         generateTest(
diff --git a/idea/tests/org/jetbrains/jet/plugin/codeInsight/codeTransformations/CodeTransformationsTestGenerated.java b/idea/tests/org/jetbrains/jet/plugin/codeInsight/codeTransformations/CodeTransformationsTestGenerated.java
index d5ee04fb06f..abc0b628fe8 100644
--- a/idea/tests/org/jetbrains/jet/plugin/codeInsight/codeTransformations/CodeTransformationsTestGenerated.java
+++ b/idea/tests/org/jetbrains/jet/plugin/codeInsight/codeTransformations/CodeTransformationsTestGenerated.java
@@ -30,7 +30,7 @@ import org.jetbrains.jet.plugin.codeInsight.codeTransformations.AbstractCodeTran
 
 /** This class is generated by {@link org.jetbrains.jet.generators.tests.GenerateTests}. DO NOT MODIFY MANUALLY */
 @SuppressWarnings("all")
-@InnerTestClasses({CodeTransformationsTestGenerated.IfToAssignment.class, CodeTransformationsTestGenerated.IfToReturn.class, CodeTransformationsTestGenerated.IfToReturnAsymmetrically.class, CodeTransformationsTestGenerated.WhenToAssignment.class, CodeTransformationsTestGenerated.WhenToReturn.class, CodeTransformationsTestGenerated.AssignmentToIf.class, CodeTransformationsTestGenerated.AssignmentToWhen.class, CodeTransformationsTestGenerated.PropertyToIf.class, CodeTransformationsTestGenerated.PropertyToWhen.class, CodeTransformationsTestGenerated.ReturnToIf.class, CodeTransformationsTestGenerated.ReturnToWhen.class, CodeTransformationsTestGenerated.IfToWhen.class, CodeTransformationsTestGenerated.WhenToIf.class, CodeTransformationsTestGenerated.Flatten.class, CodeTransformationsTestGenerated.IntroduceSubject.class, CodeTransformationsTestGenerated.EliminateSubject.class, CodeTransformationsTestGenerated.Split.class, CodeTransformationsTestGenerated.Join.class})
+@InnerTestClasses({CodeTransformationsTestGenerated.IfToAssignment.class, CodeTransformationsTestGenerated.IfToReturn.class, CodeTransformationsTestGenerated.IfToReturnAsymmetrically.class, CodeTransformationsTestGenerated.WhenToAssignment.class, CodeTransformationsTestGenerated.WhenToReturn.class, CodeTransformationsTestGenerated.AssignmentToIf.class, CodeTransformationsTestGenerated.AssignmentToWhen.class, CodeTransformationsTestGenerated.PropertyToIf.class, CodeTransformationsTestGenerated.PropertyToWhen.class, CodeTransformationsTestGenerated.ReturnToIf.class, CodeTransformationsTestGenerated.ReturnToWhen.class, CodeTransformationsTestGenerated.IfToWhen.class, CodeTransformationsTestGenerated.WhenToIf.class, CodeTransformationsTestGenerated.Flatten.class, CodeTransformationsTestGenerated.IntroduceSubject.class, CodeTransformationsTestGenerated.EliminateSubject.class, CodeTransformationsTestGenerated.Split.class, CodeTransformationsTestGenerated.Join.class, CodeTransformationsTestGenerated.RemoveUnnecessaryParentheses.class})
 public class CodeTransformationsTestGenerated extends AbstractCodeTransformationTest {
     @TestMetadata("idea/testData/codeInsight/codeTransformations/branched/folding/ifToAssignment")
     public static class IfToAssignment extends AbstractCodeTransformationTest {
@@ -791,6 +791,74 @@ public class CodeTransformationsTestGenerated extends AbstractCodeTransformation
         
     }
     
+    @TestMetadata("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses")
+    public static class RemoveUnnecessaryParentheses extends AbstractCodeTransformationTest {
+        public void testAllFilesPresentInRemoveUnnecessaryParentheses() throws Exception {
+            JetTestUtils.assertAllTestsPresentByMetadata(this.getClass(), "org.jetbrains.jet.generators.tests.GenerateTests", new File("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses"), Pattern.compile("^(.+)\\.kt$"), true);
+        }
+        
+        @TestMetadata("necessaryParentheses1.kt")
+        public void testNecessaryParentheses1() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/necessaryParentheses1.kt");
+        }
+        
+        @TestMetadata("necessaryParentheses2.kt")
+        public void testNecessaryParentheses2() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/necessaryParentheses2.kt");
+        }
+        
+        @TestMetadata("necessaryParentheses3.kt")
+        public void testNecessaryParentheses3() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/necessaryParentheses3.kt");
+        }
+        
+        @TestMetadata("necessaryParentheses4.kt")
+        public void testNecessaryParentheses4() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/necessaryParentheses4.kt");
+        }
+        
+        @TestMetadata("necessaryParentheses5.kt")
+        public void testNecessaryParentheses5() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/necessaryParentheses5.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses1.kt")
+        public void testUnnecessaryParentheses1() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses1.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses2.kt")
+        public void testUnnecessaryParentheses2() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses2.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses3.kt")
+        public void testUnnecessaryParentheses3() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses3.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses4.kt")
+        public void testUnnecessaryParentheses4() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses4.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses5.kt")
+        public void testUnnecessaryParentheses5() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses5.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses6.kt")
+        public void testUnnecessaryParentheses6() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses6.kt");
+        }
+        
+        @TestMetadata("unnecessaryParentheses7.kt")
+        public void testUnnecessaryParentheses7() throws Exception {
+            doTestRemoveUnnecessaryParentheses("idea/testData/codeInsight/codeTransformations/removeUnnecessaryParentheses/unnecessaryParentheses7.kt");
+        }
+        
+    }
+    
     public static Test suite() {
         TestSuite suite = new TestSuite("CodeTransformationsTestGenerated");
         suite.addTestSuite(IfToAssignment.class);
@@ -811,6 +879,7 @@ public class CodeTransformationsTestGenerated extends AbstractCodeTransformation
         suite.addTestSuite(EliminateSubject.class);
         suite.addTestSuite(Split.class);
         suite.addTestSuite(Join.class);
+        suite.addTestSuite(RemoveUnnecessaryParentheses.class);
         return suite;
     }
 }