diff --git a/src/json-patch-duplex.js b/src/json-patch-duplex.js
index 3d0f592a..e5a2b45c 100644
--- a/src/json-patch-duplex.js
+++ b/src/json-patch-duplex.js
@@ -9,7 +9,6 @@ var __extends = (this && this.__extends) || function (d, b) {
     function __() { this.constructor = d; }
     d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
 };
-var OriginalError = Error;
 var jsonpatch;
 (function (jsonpatch) {
     var _objectKeys = function (obj) {
@@ -199,7 +198,7 @@ var jsonpatch;
         }
         var path = _getPathRecursive(root, obj);
         if (path === '') {
-            throw new OriginalError("Object not found in root");
+            throw new Error("Object not found in root");
         }
         return '/' + path;
     }
@@ -486,9 +485,8 @@ var jsonpatch;
             this.tree = tree;
         }
         return JsonPatchError;
-    }(OriginalError));
+    }(Error));
     jsonpatch.JsonPatchError = JsonPatchError;
-    jsonpatch.Error = JsonPatchError;
     /**
      * Recursively checks whether an object has any undefined values inside.
      */
@@ -596,6 +594,4 @@ if (typeof exports !== "undefined") {
     exports.validate = jsonpatch.validate;
     exports.validator = jsonpatch.validator;
     exports.JsonPatchError = jsonpatch.JsonPatchError;
-    exports.Error = jsonpatch.Error;
 }
-//# sourceMappingURL=json-patch-duplex.js.map
\ No newline at end of file
diff --git a/src/json-patch-duplex.ts b/src/json-patch-duplex.ts
index 07a3ae27..1b561fc9 100644
--- a/src/json-patch-duplex.ts
+++ b/src/json-patch-duplex.ts
@@ -11,8 +11,6 @@ interface HTMLElement {
 }
 
 
-var OriginalError = Error;
-
 module jsonpatch {
   var _objectKeys = function (obj) {
     if (_isArray(obj)) {
@@ -219,7 +217,7 @@ module jsonpatch {
     }
     var path = _getPathRecursive(root, obj);
     if (path === '') {
-      throw new OriginalError("Object not found in root");
+      throw new Error("Object not found in root");
     }
     return '/' + path;
   }
@@ -530,23 +528,13 @@ module jsonpatch {
     _generate(tree1, tree2, patches, '');
     return patches;
   }
+  export class JsonPatchError extends Error {
 
-  export declare class OriginalError {
-    public name:string;
-    public message:string;
-    public stack:string;
-
-    constructor(message?:string);
-  }
-
-  export class JsonPatchError extends OriginalError {
-    constructor(public message:string, public name:string, public index?:number, public operation?:any, public tree?:any) {
+    constructor(public message: string, public name:string, public index?:number, public operation?:any, public tree?:any) {
       super(message);
     }
   }
 
-  export var Error = JsonPatchError;
-
     /**
      * Recursively checks whether an object has any undefined values inside.
      */
@@ -666,5 +654,4 @@ if (typeof exports !== "undefined") {
   exports.validate = jsonpatch.validate;
   exports.validator = jsonpatch.validator;
   exports.JsonPatchError = jsonpatch.JsonPatchError;
-  exports.Error = jsonpatch.Error;
 }
diff --git a/src/json-patch.js b/src/json-patch.js
index 58314093..9d869446 100644
--- a/src/json-patch.js
+++ b/src/json-patch.js
@@ -9,7 +9,6 @@ var __extends = (this && this.__extends) || function (d, b) {
     function __() { this.constructor = d; }
     d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
 };
-var OriginalError = Error;
 var jsonpatch;
 (function (jsonpatch) {
     var _objectKeys = function (obj) {
@@ -279,9 +278,8 @@ var jsonpatch;
             this.tree = tree;
         }
         return JsonPatchError;
-    }(OriginalError));
+    }(Error));
     jsonpatch.JsonPatchError = JsonPatchError;
-    jsonpatch.Error = JsonPatchError;
     /**
      * Recursively checks whether an object has any undefined values inside.
      */
@@ -385,6 +383,4 @@ if (typeof exports !== "undefined") {
     exports.validate = jsonpatch.validate;
     exports.validator = jsonpatch.validator;
     exports.JsonPatchError = jsonpatch.JsonPatchError;
-    exports.Error = jsonpatch.Error;
 }
-//# sourceMappingURL=json-patch.js.map
\ No newline at end of file
diff --git a/src/json-patch.ts b/src/json-patch.ts
index fc04aad0..ec0adbbd 100644
--- a/src/json-patch.ts
+++ b/src/json-patch.ts
@@ -5,7 +5,6 @@
  * MIT license
  */
 
-var OriginalError = Error;
 
 module jsonpatch {
   var _objectKeys = function (obj) {
@@ -210,7 +209,7 @@ module jsonpatch {
     return true;
   }
 
-  /** 
+  /**
    * Apply a json-patch operation on an object tree
    * Returns an array of results of operations.
    * Each element can either be a boolean (if op == 'test') or
@@ -289,23 +288,13 @@ module jsonpatch {
     }
     return results;
   }
+  export class JsonPatchError extends Error {
 
-  export declare class OriginalError {
-    public name:string;
-    public message:string;
-    public stack:string;
-
-    constructor(message?:string);
-  }
-
-  export class JsonPatchError extends OriginalError {
-    constructor(public message:string, public name:string, public index?:number, public operation?:any, public tree?:any) {
+    constructor(public message: string, public name:string, public index?:number, public operation?:any, public tree?:any) {
       super(message);
     }
   }
 
-  export var Error = JsonPatchError;
-
     /**
      * Recursively checks whether an object has any undefined values inside.
      */
@@ -421,5 +410,4 @@ if (typeof exports !== "undefined") {
   exports.validate = jsonpatch.validate;
   exports.validator = jsonpatch.validator;
   exports.JsonPatchError = jsonpatch.JsonPatchError;
-  exports.Error = jsonpatch.Error;
 }
diff --git a/test/spec/validateSpec.js b/test/spec/validateSpec.js
index f5bfc06f..a470ecc2 100644
--- a/test/spec/validateSpec.js
+++ b/test/spec/validateSpec.js
@@ -30,11 +30,10 @@ describe("validate", function() {
     expect(error.name).toBe('OPERATION_NOT_AN_OBJECT');
   });
 
-  it('should return an error which is instance of Error and jsonpatch.Error', function() {
+  it('should return an error which is instance of Error and jsonpatch.JsonPatchError', function() {
     var error = jsonpatch.validate({});
     expect(error instanceof jsonpatch.JsonPatchError).toBe(true);
     expect(error instanceof Error).toBe(true);
-    expect(error instanceof jsonpatch.Error).toBe(true);
     expect(error.name).toBe('SEQUENCE_NOT_AN_ARRAY');
   });
 
@@ -325,4 +324,4 @@ describe("validate", function() {
 
       expect(ex.name).toBe("OPERATION_VALUE_REQUIRED");
   });
-});
\ No newline at end of file
+});