diff --git a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/CharSequenceListView.java b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/CharSequenceListView.java
index 000c7dfb..5ed126e9 100644
--- a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/CharSequenceListView.java
+++ b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/CharSequenceListView.java
@@ -6,6 +6,7 @@
 package com.linkedin.avroutil1.compatibility.collectiontransformer;
 
 import java.util.AbstractList;
+import java.util.Iterator;
 import org.apache.avro.util.Utf8;
 
 
@@ -60,4 +61,26 @@ public boolean addAll(int index, java.util.Collection<? extends CharSequence> c)
   public boolean remove(Object o) {
     return utf8List.remove(new Utf8(o.toString()));
   }
+
+  @Override
+  public void clear() {
+    utf8List.clear();
+  }
+
+  @Override
+  public Iterator<CharSequence> iterator() {
+    return new Iterator<CharSequence>() {
+      private final Iterator<Utf8> iter = utf8List.iterator();
+
+      @Override
+      public boolean hasNext() {
+        return iter.hasNext();
+      }
+
+      @Override
+      public CharSequence next() {
+        return String.valueOf(iter.next());
+      }
+    };
+  }
 }
diff --git a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/StringListView.java b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/StringListView.java
index 8fba353f..3a21a385 100644
--- a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/StringListView.java
+++ b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/StringListView.java
@@ -6,6 +6,7 @@
 package com.linkedin.avroutil1.compatibility.collectiontransformer;
 
 import java.util.AbstractList;
+import java.util.Iterator;
 import org.apache.avro.util.Utf8;
 
 
@@ -61,4 +62,26 @@ public boolean addAll(int index, java.util.Collection<? extends String> c) {
   public boolean remove(Object o) {
     return _utf8List.remove(new Utf8(o.toString()));
   }
+
+  @Override
+  public void clear() {
+    _utf8List.clear();
+  }
+
+  @Override
+  public Iterator<String> iterator() {
+    return new Iterator<String>() {
+      private final Iterator<Utf8> _iter = _utf8List.iterator();
+
+      @Override
+      public boolean hasNext() {
+        return _iter.hasNext();
+      }
+
+      @Override
+      public String next() {
+        return String.valueOf(_iter.next());
+      }
+    };
+  }
 }
diff --git a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/Utf8ListView.java b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/Utf8ListView.java
index c3724f6b..d3097fc6 100644
--- a/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/Utf8ListView.java
+++ b/helper/helper/src/main/java/com/linkedin/avroutil1/compatibility/collectiontransformer/Utf8ListView.java
@@ -6,6 +6,7 @@
 package com.linkedin.avroutil1.compatibility.collectiontransformer;
 
 import java.util.AbstractList;
+import java.util.Iterator;
 import org.apache.avro.util.Utf8;
 
 
@@ -55,4 +56,14 @@ public boolean addAll(int index, java.util.Collection<? extends Utf8> c) {
   public boolean remove(Object o) {
     return utf8List.remove(o);
   }
+
+  @Override
+  public void clear() {
+    utf8List.clear();
+  }
+
+  @Override
+  public Iterator<Utf8> iterator() {
+    return utf8List.iterator();
+  }
 }