diff --git a/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ChangeSignatureTests.java b/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ChangeSignatureTests.java
index d76c962de56..9b38e394bd4 100644
--- a/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ChangeSignatureTests.java	
+++ b/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ChangeSignatureTests.java	
@@ -1934,7 +1934,6 @@ public void testImport08() throws Exception {
 		helperDoAll("A", "textContains", signature, newParamInfo, newIndices, oldParamNames, newParamNames, newParamTypeNames, permutation, newVisibility, deletedIndices, newReturnTypeName);
 	}
 
-	@Ignore("BUG_83691_CORE_JAVADOC_REF")
 	@Test
 	public void testEnum01() throws Exception {
 		String[] signature= {"I"};
@@ -1971,7 +1970,6 @@ public void testEnum02() throws Exception {
 		helperDoAll("A_testEnum02_in", "A_testEnum02_in", signature, newParamInfo, newIndices, oldParamNames, newParamNames, null, permutation, newVisibility, deletedIndices, newReturnTypeName);
 	}
 
-	@Ignore("BUG_83691_CORE_JAVADOC_REF")
 	@Test
 	public void testEnum03() throws Exception {
 		String[] signature= {};
diff --git a/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ccp/DeleteTest.java b/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ccp/DeleteTest.java
index 9d2c99aa41c..569eae9c22d 100644
--- a/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ccp/DeleteTest.java	
+++ b/org.eclipse.jdt.ui.tests.refactoring/test cases/org/eclipse/jdt/ui/tests/refactoring/ccp/DeleteTest.java	
@@ -26,7 +26,6 @@
 
 import org.junit.Before;
 import org.junit.FixMethodOrder;
-import org.junit.Ignore;
 import org.junit.Test;
 import org.junit.runners.MethodSorters;
 
@@ -621,7 +620,6 @@ public void testDeleteWithinCu15() throws Exception{
 		ParticipantTesting.testDelete(handles);
 	}
 
-	@Ignore("testDeleteWithinCu16 disabled for bug#55221")
 	@Test
 	public void testDeleteWithinCu16() throws Exception{
 		ParticipantTesting.reset();