diff --git a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/Factory.java b/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/Factory.java
deleted file mode 100644
index 91b4843e..00000000
--- a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/Factory.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package com.jayway.jsonpath.spi.mapper;
-
-public interface Factory<T> {
-
-    T createInstance();
-}
diff --git a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/GsonMappingProvider.java b/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/GsonMappingProvider.java
index 7bf3a9db..7e5153b4 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/GsonMappingProvider.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/GsonMappingProvider.java
@@ -23,22 +23,24 @@ import com.jayway.jsonpath.TypeRef;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
+import java.util.concurrent.Callable;
+
 public class GsonMappingProvider implements MappingProvider {
 
     private static final Logger logger = LoggerFactory.getLogger(GsonMappingProvider.class);
 
-    private final Factory<Gson> factory;
+    private final Callable<Gson> factory;
 
     public GsonMappingProvider(final Gson gson) {
-        this(new Factory<Gson>() {
+        this(new Callable<Gson>() {
             @Override
-            public Gson createInstance() {
+            public Gson call() {
                 return gson;
             }
         });
     }
 
-    public GsonMappingProvider(Factory<Gson> factory) {
+    public GsonMappingProvider(Callable<Gson> factory) {
         this.factory = factory;
     }
 
@@ -46,9 +48,9 @@ public class GsonMappingProvider implements MappingProvider {
         super();
         try {
             Class.forName("com.google.gson.Gson");
-            this.factory = new Factory<Gson>() {
+            this.factory = new Callable<Gson>() {
                 @Override
-                public Gson createInstance() {
+                public Gson call() {
                     return new Gson();
                 }
             };
@@ -61,7 +63,7 @@ public class GsonMappingProvider implements MappingProvider {
     @Override
     public <T> T map(Object source, Class<T> targetType, Configuration configuration) {
         try {
-            return factory.createInstance().getAdapter(targetType).fromJsonTree((JsonElement) source);
+            return factory.call().getAdapter(targetType).fromJsonTree((JsonElement) source);
         } catch (Exception e){
             throw new MappingException(e);
         }
@@ -70,7 +72,7 @@ public class GsonMappingProvider implements MappingProvider {
     @Override
     public <T> T map(Object source, TypeRef<T> targetType, Configuration configuration) {
         try {
-            return (T) factory.createInstance().getAdapter(TypeToken.get(targetType.getType())).fromJsonTree((JsonElement) source);
+            return (T) factory.call().getAdapter(TypeToken.get(targetType.getType())).fromJsonTree((JsonElement) source);
         } catch (Exception e){
             throw new MappingException(e);
         }
diff --git a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/JsonSmartMappingProvider.java b/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/JsonSmartMappingProvider.java
index a3b072b4..f4f58cdc 100644
--- a/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/JsonSmartMappingProvider.java
+++ b/json-path/src/main/java/com/jayway/jsonpath/spi/mapper/JsonSmartMappingProvider.java
@@ -26,6 +26,7 @@ import java.math.BigDecimal;
 import java.text.DateFormat;
 import java.text.ParseException;
 import java.util.Date;
+import java.util.concurrent.Callable;
 
 public class JsonSmartMappingProvider implements MappingProvider {
 
@@ -48,18 +49,18 @@ public class JsonSmartMappingProvider implements MappingProvider {
     }
 
 
-    private final Factory<JsonReader> factory;
+    private final Callable<JsonReader> factory;
 
     public JsonSmartMappingProvider(final JsonReader jsonReader) {
-        this(new Factory<JsonReader>() {
+        this(new Callable<JsonReader>() {
             @Override
-            public JsonReader createInstance() {
+            public JsonReader call() {
                 return jsonReader;
             }
         });
     }
 
-    public JsonSmartMappingProvider(Factory<JsonReader> factory) {
+    public JsonSmartMappingProvider(Callable<JsonReader> factory) {
         this.factory = factory;
     }
 
@@ -79,7 +80,7 @@ public class JsonSmartMappingProvider implements MappingProvider {
         }
         try {
             if(!configuration.jsonProvider().isMap(source) && !configuration.jsonProvider().isArray(source)){
-                return factory.createInstance().getMapper(targetType).convert(source);
+                return factory.call().getMapper(targetType).convert(source);
             }
             String s = configuration.jsonProvider().toJson(source);
             return (T) JSONValue.parse(s, targetType);