diff --git a/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/expected.xml b/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/expected.xml
new file mode 100644
index 000000000000..5e933496b9cf
--- /dev/null
+++ b/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/expected.xml
@@ -0,0 +1,3 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<problems>
+</problems>
\ No newline at end of file
diff --git a/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/src/CastTest.java b/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/src/CastTest.java
new file mode 100644
index 000000000000..9d607cb34a76
--- /dev/null
+++ b/java/java-tests/testData/inspection/redundantCast/PrimitiveInsideSynchronized/src/CastTest.java
@@ -0,0 +1,8 @@
+class CastTest
+{
+    public static void main (String[] args) throws CloneNotSupportedException
+    {
+       int i = 0;
+       synchronized ((Object)i){}
+    }
+}
\ No newline at end of file
diff --git a/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCastTest.java b/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCastTest.java
index 0e04743e8dce..d789f377ec61 100644
--- a/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCastTest.java
+++ b/java/java-tests/testSrc/com/intellij/codeInspection/RedundantCastTest.java
@@ -90,4 +90,5 @@ public class RedundantCastTest extends InspectionTestCase {
   public void testIDEADEV25675() throws Exception { doTest(); }
   
   public void testNestedCast() throws Exception { doTest(); }
+  public void testPrimitiveInsideSynchronized() throws Exception { doTest(); }
 }
diff --git a/java/openapi/src/com/intellij/psi/util/RedundantCastUtil.java b/java/openapi/src/com/intellij/psi/util/RedundantCastUtil.java
index e2c2b8af2d38..04661fa11d1b 100644
--- a/java/openapi/src/com/intellij/psi/util/RedundantCastUtil.java
+++ b/java/openapi/src/com/intellij/psi/util/RedundantCastUtil.java
@@ -353,6 +353,8 @@ public class RedundantCastUtil {
             //branches need to be of the same type
             if (!Comparing.equal(operand.getType(), ((PsiConditionalExpression)parent).getType())) return;
           }
+        } else if (parent instanceof PsiSynchronizedStatement && (expr instanceof PsiExpression && ((PsiExpression)expr).getType() instanceof PsiPrimitiveType)) {
+          return;
         }
         processAlreadyHasTypeCast(typeCast);
       }