diff --git a/README.md b/README.md
index df2355b..72474d7 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@ To use the plugin it must be placed on the classpath of the pitest tool (**not**
           <dependency>
             <groupId>org.pitest</groupId>
             <artifactId>pitest-rv-plugin</artifactId>
-            <version>1.0</version>
+            <version>0.1</version>
           </dependency>
         </dependencies>
       </plugin>
diff --git a/pom.xml b/pom.xml
index a1190c0..f65c68c 100755
--- a/pom.xml
+++ b/pom.xml
@@ -5,7 +5,7 @@
 	<groupId>org.pitest</groupId>
 	<artifactId>pitest-rv-plugin</artifactId>
 	<version>${revision}</version>
-        
+
 	<name>pitest-rv-plugin</name>
 	<url>http://pitest.org</url>
 	<description>Research operators for pitest</description>
@@ -23,7 +23,7 @@
 		<junit.platform.version>1.8.0</junit.platform.version>
 		<junit.version>5.8.0</junit.version>
 		<mockito.version>2.7.6</mockito.version>
-		<pitest.version>1.8.0</pitest.version>
+		<pitest.version>1.25.9</pitest.version>
 		<asm.version>9.3</asm.version>
 	</properties>
 
diff --git a/src/main/java/org/pitest/rv/ABSMutator.java b/src/main/java/org/pitest/rv/ABSMutator.java
index d361bd8..5ee81e0 100644
--- a/src/main/java/org/pitest/rv/ABSMutator.java
+++ b/src/main/java/org/pitest/rv/ABSMutator.java
@@ -47,9 +47,6 @@ class ABSMethodVisitor extends MethodVisitor {
     }
 
     private boolean shouldMutate(String message) {
-        if (this.context.getClassInfo().isEnum()) {
-            return false;
-        }
         final MutationIdentifier newId = this.context.registerMutation(this.factory, message);
         return this.context.shouldMutate(newId);
     }
diff --git a/src/main/java/org/pitest/rv/AOD1Mutator.java b/src/main/java/org/pitest/rv/AOD1Mutator.java
index 55b9a3f..04f9733 100644
--- a/src/main/java/org/pitest/rv/AOD1Mutator.java
+++ b/src/main/java/org/pitest/rv/AOD1Mutator.java
@@ -18,7 +18,7 @@ public enum AOD1Mutator implements MethodMutatorFactory  {
 
     public MethodVisitor create(final MutationContext context,
                                 final MethodInfo methodInfo, final MethodVisitor methodVisitor)  {
-        return new AODMethodVisitor1(this, context, methodInfo, methodVisitor);
+        return new AODMethodVisitor1(this, context, methodVisitor);
     }
 
     public String getGloballyUniqueId()  {
@@ -34,24 +34,18 @@ class AODMethodVisitor1 extends MethodVisitor  {
 
     private final MethodMutatorFactory factory;
     private final MutationContext      context;
-    private final MethodInfo      info;
 
     AODMethodVisitor1(final MethodMutatorFactory factory,
-                      final MutationContext context, final MethodInfo info, final MethodVisitor delegateMethodVisitor)  {
+                      final MutationContext context, final MethodVisitor delegateMethodVisitor)  {
         super(ASMVersion.ASM_VERSION, delegateMethodVisitor);
         this.factory = factory;
         this.context = context;
-        this.info = info;
     }
 
     private boolean shouldMutate(String expression) {
-        if (this.info.isGeneratedEnumMethod()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(
-                    this.factory, "Replaced " + expression + " operation with first member");
-            return this.context.shouldMutate(newId);
-        }
+        final MutationIdentifier newId = this.context.registerMutation(
+                this.factory, "Replaced " + expression + " operation with first member");
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/AOD2Mutator.java b/src/main/java/org/pitest/rv/AOD2Mutator.java
index e00467c..d685dd8 100644
--- a/src/main/java/org/pitest/rv/AOD2Mutator.java
+++ b/src/main/java/org/pitest/rv/AOD2Mutator.java
@@ -46,14 +46,9 @@ class AODMethodVisitor2 extends LocalVariablesSorter {
     }
 
     private boolean shouldMutate(String expression) {
-        if (this.info.isGeneratedEnumMethod()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(this.factory,
-                    "Replaced " + expression + " operation by second member");
-            return this.context.shouldMutate(newId);
-        }
-
+        final MutationIdentifier newId = this.context.registerMutation(this.factory,
+                "Replaced " + expression + " operation by second member");
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/OBBN2Mutator.java b/src/main/java/org/pitest/rv/OBBN2Mutator.java
index 6b904dc..295db92 100644
--- a/src/main/java/org/pitest/rv/OBBN2Mutator.java
+++ b/src/main/java/org/pitest/rv/OBBN2Mutator.java
@@ -17,7 +17,7 @@ public enum OBBN2Mutator implements MethodMutatorFactory  {
 
     public MethodVisitor create(final MutationContext context,
                                 final MethodInfo methodInfo, final MethodVisitor methodVisitor)  {
-        return new OBBNMethodVisitor2(this, context, methodInfo, methodVisitor);
+        return new OBBNMethodVisitor2(this, context, methodVisitor);
     }
 
     public String getGloballyUniqueId()  {
@@ -33,25 +33,18 @@ class OBBNMethodVisitor2 extends MethodVisitor  {
 
     private final MethodMutatorFactory factory;
     private final MutationContext      context;
-    private final MethodInfo      info;
 
     OBBNMethodVisitor2(final MethodMutatorFactory factory,
-                       final MutationContext context, final MethodInfo info, final MethodVisitor delegateMethodVisitor)  {
+                       final MutationContext context, final MethodVisitor delegateMethodVisitor)  {
         super(ASMVersion.ASM_VERSION, delegateMethodVisitor);
         this.factory = factory;
         this.context = context;
-        this.info = info;
     }
 
     private boolean shouldMutate(String expression) {
-        if (info.isGeneratedEnumMethod()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(
-                    this.factory, "Replaced " + expression + " by first member");
-            return this.context.shouldMutate(newId);
-        }
-
+        final MutationIdentifier newId = this.context.registerMutation(
+                this.factory, "Replaced " + expression + " by first member");
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/OBBN3Mutator.java b/src/main/java/org/pitest/rv/OBBN3Mutator.java
index b3090cc..6fe4c0d 100644
--- a/src/main/java/org/pitest/rv/OBBN3Mutator.java
+++ b/src/main/java/org/pitest/rv/OBBN3Mutator.java
@@ -46,14 +46,9 @@ class OBBNMethodVisitor3 extends LocalVariablesSorter  {
     }
 
     private boolean shouldMutate(String expression) {
-        if (info.isGeneratedEnumMethod()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(
-                    this.factory, "Replace " + expression + " by second member");
-            return this.context.shouldMutate(newId);
-        }
-
+        final MutationIdentifier newId = this.context.registerMutation(
+                this.factory, "Replace " + expression + " by second member");
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/UOI1Mutator.java b/src/main/java/org/pitest/rv/UOI1Mutator.java
index 8104ce6..38f4a5a 100644
--- a/src/main/java/org/pitest/rv/UOI1Mutator.java
+++ b/src/main/java/org/pitest/rv/UOI1Mutator.java
@@ -42,12 +42,8 @@ class UOI1MethodVisitor extends MethodVisitor {
     }
 
     private boolean shouldMutate(String description) {
-        if (context.getClassInfo().isEnum()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
-            return this.context.shouldMutate(newId);
-        }
+        final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/UOI2Mutator.java b/src/main/java/org/pitest/rv/UOI2Mutator.java
index 727a473..4a622e5 100644
--- a/src/main/java/org/pitest/rv/UOI2Mutator.java
+++ b/src/main/java/org/pitest/rv/UOI2Mutator.java
@@ -41,12 +41,8 @@ class UOI2MethodVisitor extends MethodVisitor {
     }
 
     private boolean shouldMutate(String description) {
-        if (context.getClassInfo().isEnum()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
-            return this.context.shouldMutate(newId);
-        }
+        final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/UOI3Mutator.java b/src/main/java/org/pitest/rv/UOI3Mutator.java
index b573d7e..227308b 100644
--- a/src/main/java/org/pitest/rv/UOI3Mutator.java
+++ b/src/main/java/org/pitest/rv/UOI3Mutator.java
@@ -42,12 +42,8 @@ class UOIMethodVisitor3 extends MethodVisitor {
     }
 
     private boolean shouldMutate(String description) {
-        if (context.getClassInfo().isEnum()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
-            return this.context.shouldMutate(newId);
-        }
+        final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
+        return this.context.shouldMutate(newId);
     }
 
     @Override
diff --git a/src/main/java/org/pitest/rv/UOI4Mutator.java b/src/main/java/org/pitest/rv/UOI4Mutator.java
index 5929384..4f57958 100644
--- a/src/main/java/org/pitest/rv/UOI4Mutator.java
+++ b/src/main/java/org/pitest/rv/UOI4Mutator.java
@@ -42,12 +42,8 @@ class UOI4MethodVisitor extends MethodVisitor {
     }
 
     private boolean shouldMutate(String description) {
-        if (context.getClassInfo().isEnum()) {
-            return false;
-        } else {
-            final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
-            return this.context.shouldMutate(newId);
-        }
+        final MutationIdentifier newId = this.context.registerMutation(this.factory, description);
+        return this.context.shouldMutate(newId);
     }
 
     @Override