diff --git a/gson/src/main/java/com/google/gson/JsonArrayDeserializationVisitor.java b/gson/src/main/java/com/google/gson/JsonArrayDeserializationVisitor.java
index baaaa3a7..157a7acd 100644
--- a/gson/src/main/java/com/google/gson/JsonArrayDeserializationVisitor.java
+++ b/gson/src/main/java/com/google/gson/JsonArrayDeserializationVisitor.java
@@ -106,10 +106,6 @@ final class JsonArrayDeserializationVisitor<T> extends JsonDeserializationVisito
     throw new UnsupportedOperationException();
   }
 
-  public void visitCollectionField(Field f, Type typeOfF, Object obj) {
-    throw new UnsupportedOperationException();
-  }
-
   public void visitObjectField(Field f, Type typeOfF, Object obj) {
     throw new UnsupportedOperationException();
   }
diff --git a/gson/src/main/java/com/google/gson/JsonObjectDeserializationVisitor.java b/gson/src/main/java/com/google/gson/JsonObjectDeserializationVisitor.java
index 0e032984..19f7627c 100644
--- a/gson/src/main/java/com/google/gson/JsonObjectDeserializationVisitor.java
+++ b/gson/src/main/java/com/google/gson/JsonObjectDeserializationVisitor.java
@@ -76,32 +76,6 @@ final class JsonObjectDeserializationVisitor<T> extends JsonDeserializationVisit
     }
   }
 
-  @SuppressWarnings("unchecked")
-  public void visitCollectionField(Field f, Type typeOfF, Object obj) {
-    try {
-      JsonObject jsonObject = json.getAsJsonObject();
-      String fName = getFieldName(f);
-      JsonArray jsonArray = (JsonArray) jsonObject.get(fName);
-      if (jsonArray != null) {
-        Collection collection = (Collection) objectConstructor.construct(typeOfF);
-        f.set(obj, collection);
-        Type childType = TypeUtils.getActualTypeForFirstTypeVariable(typeOfF);
-        for (JsonElement jsonChild : jsonArray) {
-          Object child = visitChild(childType, jsonChild);
-          if (childType == Object.class) {
-            throw new JsonParseException(fName +
-                " can not be a raw collection. Try making it a genericized collection instead");
-          }
-          collection.add(child);
-        }
-      } else {
-        f.set(obj, null);
-      }
-    } catch (IllegalAccessException e) {
-      throw new RuntimeException(e);
-    }
-  }
-
   public void visitArrayField(Field f, Type typeOfF, Object obj) {
     try {
       JsonObject jsonObject = json.getAsJsonObject();
diff --git a/gson/src/main/java/com/google/gson/JsonPrimitiveDeserializationVisitor.java b/gson/src/main/java/com/google/gson/JsonPrimitiveDeserializationVisitor.java
index 5c322be7..39d1988e 100644
--- a/gson/src/main/java/com/google/gson/JsonPrimitiveDeserializationVisitor.java
+++ b/gson/src/main/java/com/google/gson/JsonPrimitiveDeserializationVisitor.java
@@ -71,11 +71,6 @@ final class JsonPrimitiveDeserializationVisitor<T> extends JsonDeserializationVi
     throw new IllegalStateException();
   }
 
-  public void visitCollectionField(Field f, Type typeOfF, Object obj) {
-    // should not be called since this case should invoke JsonArrayDeserializationVisitor
-    throw new IllegalStateException();
-  }
-
   public void visitArrayField(Field f, Type typeOfF, Object obj) {
     // should not be called since this case should invoke JsonArrayDeserializationVisitor
     throw new IllegalStateException();
diff --git a/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java b/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
index 09af466f..c948cf79 100644
--- a/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
+++ b/gson/src/main/java/com/google/gson/JsonSerializationVisitor.java
@@ -77,20 +77,6 @@ final class JsonSerializationVisitor implements ObjectNavigator.Visitor {
     }
   }
 
-  public void visitCollectionField(Field f, Type typeOfF, Object obj) {
-    if (isFieldNull(f, obj)) {
-      if (serializeNulls) {
-        addChildAsElement(f, JsonNull.INSTANCE);
-      }
-    } else {
-      if (typeOfF == null) {
-        throw new RuntimeException("Can not handle non-generic collections");
-      }
-      Object collection = getFieldValue(f, obj);
-      addAsChildOfObject(f, typeOfF, collection);
-    }
-  }
-
   @SuppressWarnings("unchecked")
   public void visitEnum(Object obj, Type objType) {
     JsonSerializer serializer = serializers.getHandlerFor(objType);
diff --git a/gson/src/main/java/com/google/gson/ObjectNavigator.java b/gson/src/main/java/com/google/gson/ObjectNavigator.java
index 97da40d7..65710a1e 100644
--- a/gson/src/main/java/com/google/gson/ObjectNavigator.java
+++ b/gson/src/main/java/com/google/gson/ObjectNavigator.java
@@ -54,11 +54,6 @@ final class ObjectNavigator {
      */
     void visitObjectField(Field f, Type typeOfF, Object obj);
 
-    /**
-     * This is called to visit a field of type Collection of the current object
-     */
-    void visitCollectionField(Field f, Type typeOfF, Object obj);
-
     /**
      * This is called to visit an array field of the current object
      */
@@ -165,12 +160,8 @@ final class ObjectNavigator {
         boolean visitedWithCustomHandler = 
           visitor.visitFieldUsingCustomHandler(f, actualTypeOfField, obj);
         if (!visitedWithCustomHandler) {
-          if (fieldTypeInfo.isCollectionOrArray()) {
-            if (fieldTypeInfo.isArray()) {
-              visitor.visitArrayField(f, actualTypeOfField, obj);
-            } else { // must be Collection
-              visitor.visitCollectionField(f, actualTypeOfField, obj);
-            }
+          if (fieldTypeInfo.isArray()) {
+            visitor.visitArrayField(f, actualTypeOfField, obj);
           } else if (fieldTypeInfo.isPrimitiveOrStringAndNotAnArray()) {
             visitor.visitPrimitiveField(f, actualTypeOfField, obj);
           } else {