diff --git a/types/mongoose/index.d.ts b/types/mongoose/index.d.ts
index df91675e15..9a29c8d347 100644
--- a/types/mongoose/index.d.ts
+++ b/types/mongoose/index.d.ts
@@ -15,6 +15,7 @@
 //                 Norman Perrin <https://github.com/NormanPerrin>
 //                 Dan Manastireanu <https://github.com/danmana>
 //                 stablio <https://github.com/stablio>
+//                 Emmanuel Gautier <https://github.com/emmanuelgautier>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -1897,13 +1898,13 @@ declare module "mongoose" {
      *   is an Array. See the examples.
      */
     geometry(object: { type: string, coordinates: any[] }): this;
-    
+
     /**
      * Returns the current query options as a JSON object.
      * @returns current query options
      */
     getOptions(): any;
-                            
+
     /**
      * Returns the current query conditions as a JSON object.
      * @returns current query conditions
@@ -2905,6 +2906,29 @@ declare module "mongoose" {
     distinct(field: string, conditions: any,
       callback?: (err: any, res: any[]) => void): Query<any[]> & QueryHelpers;
 
+    /**
+     * Makes the indexes in MongoDB match the indexes defined in this model's
+     * schema. This function will drop any indexes that are not defined in
+     * the model's schema except the `_id` index, and build any indexes that
+     * are in your schema but not in MongoDB.
+     * @param options options to pass to `ensureIndexes()`
+     * @param callback optional callback
+     * @return Returns `undefined` if callback is specified, returns a promise if no callback.
+     */
+    syncIndexes(options: object, callback?: (err: any) => void): void;
+    syncIndexes(options: object): Promise<void>;
+
+    /**
+     * Lists the indexes currently defined in MongoDB. This may or may not be
+     * the same as the indexes defined in your schema depending on whether you
+     * use the [`autoIndex` option](/docs/guide.html#autoIndex) and if you
+     * build indexes manually.
+     * @param cb optional callback
+     * @return Returns `undefined` if callback is specified, returns a promise if no callback.
+     */
+    listIndexes(callback: (err: any) => void): void;
+    listIndexes(): Promise<void>;
+
     /**
      * Sends ensureIndex commands to mongo for each index declared in the schema.
      * @param options internal options
diff --git a/types/mongoose/mongoose-tests.ts b/types/mongoose/mongoose-tests.ts
index 8f5914d9dd..865b45a64d 100644
--- a/types/mongoose/mongoose-tests.ts
+++ b/types/mongoose/mongoose-tests.ts
@@ -1636,6 +1636,10 @@ MongoModel.create([{ type: 'jelly bean' }, {
 MongoModel.distinct('url', { clicks: {$gt: 100}}, function (err, result) {
 });
 MongoModel.distinct('url').exec(cb);
+MongoModel.syncIndexes({});
+MongoModel.syncIndexes({}, cb);
+MongoModel.listIndexes();
+MongoModel.listIndexes(cb);
 MongoModel.ensureIndexes({}, cb);
 MongoModel.find({ name: 'john', age: { $gte: 18 }});
 MongoModel.find({ name: 'john', age: { $gte: 18 }}, function (err, docs) {
diff --git a/types/mongoose/v4/index.d.ts b/types/mongoose/v4/index.d.ts
index 8f8029a2e1..24aeb75050 100644
--- a/types/mongoose/v4/index.d.ts
+++ b/types/mongoose/v4/index.d.ts
@@ -3,7 +3,6 @@
 // Definitions by: simonxca <https://github.com/simonxca>
 //                 horiuchi <https://github.com/horiuchi>
 //                 lukasz-zak <https://github.com/lukasz-zak>
-//                 Emmanuel Gautier <https://github.com/emmanuelgautier>
 // Definitions: https://github.com/DefinitelyTyped/DefinitelyTyped
 // TypeScript Version: 2.3
 
@@ -2502,29 +2501,6 @@ declare module "mongoose" {
     distinct(field: string, conditions: any,
       callback?: (err: any, res: any[]) => void): Query<any[]>;
 
-    /**
-     * Makes the indexes in MongoDB match the indexes defined in this model's
-     * schema. This function will drop any indexes that are not defined in
-     * the model's schema except the `_id` index, and build any indexes that
-     * are in your schema but not in MongoDB.
-     * @param options options to pass to `ensureIndexes()`
-     * @param callback optional callback
-     * @return Returns `undefined` if callback is specified, returns a promise if no callback.
-     */
-    syncIndexes(options: object, callback?: (err: any) => void): void;
-    syncIndexes(options: object): Promise<void>;
-
-    /**
-     * Lists the indexes currently defined in MongoDB. This may or may not be
-     * the same as the indexes defined in your schema depending on whether you
-     * use the [`autoIndex` option](/docs/guide.html#autoIndex) and if you
-     * build indexes manually.
-     * @param cb optional callback
-     * @return Returns `undefined` if callback is specified, returns a promise if no callback.
-     */
-    listIndexes(callback: (err: any) => void): void;
-    listIndexes(): Promise<void>;
-
     /**
      * Sends ensureIndex commands to mongo for each index declared in the schema.
      * @param options internal options
diff --git a/types/mongoose/v4/mongoose-tests.ts b/types/mongoose/v4/mongoose-tests.ts
index 95770c0305..633d3438a8 100644
--- a/types/mongoose/v4/mongoose-tests.ts
+++ b/types/mongoose/v4/mongoose-tests.ts
@@ -1361,10 +1361,6 @@ MongoModel.create([{ type: 'jelly bean' }, {
 MongoModel.distinct('url', { clicks: {$gt: 100}}, function (err, result) {
 });
 MongoModel.distinct('url').exec(cb);
-MongoModel.syncIndexes({});
-MongoModel.syncIndexes({}, cb);
-MongoModel.listIndexes();
-MongoModel.listIndexes(cb);
 MongoModel.ensureIndexes({}, cb);
 MongoModel.find({ name: 'john', age: { $gte: 18 }});
 MongoModel.find({ name: 'john', age: { $gte: 18 }}, function (err, docs) {