diff --git a/ace/tslint.json b/ace/tslint.json
index 0f47deabb4..e050abdce9 100644
--- a/ace/tslint.json
+++ b/ace/tslint.json
@@ -1,6 +1,7 @@
 {
     "extends": "../tslint.json",
     "rules": {
-        "forbidden-types": false
+        "forbidden-types": false,
+        "no-empty-interface": false
     }
 }
\ No newline at end of file
diff --git a/acl/tslint.json b/acl/tslint.json
index 0f47deabb4..e050abdce9 100644
--- a/acl/tslint.json
+++ b/acl/tslint.json
@@ -1,6 +1,7 @@
 {
     "extends": "../tslint.json",
     "rules": {
-        "forbidden-types": false
+        "forbidden-types": false,
+        "no-empty-interface": false
     }
 }
\ No newline at end of file
diff --git a/adm-zip/index.d.ts b/adm-zip/index.d.ts
index 4749fcb885..405545a8ca 100644
--- a/adm-zip/index.d.ts
+++ b/adm-zip/index.d.ts
@@ -18,72 +18,36 @@ declare class AdmZip {
     /**
      * Extracts the given entry from the archive and returns the content as a
      * Buffer object.
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @return Buffer or Null in case of error
      */
-    readFile(entry: string): Buffer;
-    /**
-     * Extracts the given entry from the archive and returns the content as a
-     * Buffer object.
-     * @param entry ZipEntry object
-     * @return Buffer or Null in case of error
-     */
-    readFile(entry: AdmZip.IZipEntry): Buffer;
+    readFile(entry: AdmZip.IZipEntry | string): Buffer;
     /**
      * Asynchronous readFile
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @param callback Called with a Buffer or Null in case of error
      */
-    readFileAsync(entry: string, callback: (data: Buffer, err: string) => any): void;
-    /**
-     * Asynchronous readFile
-     * @param entry ZipEntry object
-     * @param callback Called with a Buffer or Null in case of error
-     * @return Buffer or Null in case of error
-     */
-    readFileAsync(entry: AdmZip.IZipEntry, callback: (data: Buffer, err: string) => any): void;
+    readFileAsync(entry: AdmZip.IZipEntry | string, callback: (data: Buffer, err: string) => any): void;
     /**
      * Extracts the given entry from the archive and returns the content as
      * plain text in the given encoding
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @param encoding Optional. If no encoding is specified utf8 is used
      * @return String
      */
-    readAsText(fileName: string, encoding?: string): string;
-    /**
-     * Extracts the given entry from the archive and returns the content as
-     * plain text in the given encoding
-     * @param entry ZipEntry object
-     * @param encoding Optional. If no encoding is specified utf8 is used
-     * @return String
-     */
-    readAsText(fileName: AdmZip.IZipEntry, encoding?: string): string;
+    readAsText(fileName: AdmZip.IZipEntry | string, encoding?: string): string;
     /**
      * Asynchronous readAsText
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @param callback Called with the resulting string.
      * @param encoding Optional. If no encoding is specified utf8 is used
      */
-    readAsTextAsync(fileName: string, callback: (data: string) => any, encoding?: string): void;
-    /**
-     * Asynchronous readAsText
-     * @param entry ZipEntry object
-     * @param callback Called with the resulting string.
-     * @param encoding Optional. If no encoding is specified utf8 is used
-     */
-    readAsTextAsync(fileName: AdmZip.IZipEntry, callback: (data: string) => any, encoding?: string): void;
+    readAsTextAsync(fileName: AdmZip.IZipEntry | string, callback: (data: string) => any, encoding?: string): void;
     /**
      * Remove the entry from the file or the entry and all its nested directories
      * and files if the given entry is a directory
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      */
-    deleteFile(entry: string): void;
-    /**
-     * Remove the entry from the file or the entry and all its nested directories
-     * and files if the given entry is a directory
-     * @param entry A ZipEntry object.
-     */
-    deleteFile(entry: AdmZip.IZipEntry): void;
     /**
      * Adds a comment to the zip. The zip must be rewritten after
      * adding the comment.
@@ -99,44 +63,23 @@ declare class AdmZip {
      * Adds a comment to a specified zipEntry. The zip must be rewritten after
      * adding the comment.
      * The comment cannot exceed 65535 characters in length.
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @param comment The comment to add to the entry.
      */
-    addZipEntryComment(entry: string, comment: string): void;
-    /**
-     * Adds a comment to a specified zipEntry. The zip must be rewritten after
-     * adding the comment.
-     * The comment cannot exceed 65535 characters in length.
-     * @param entry ZipEntry object.
-     * @param comment The comment to add to the entry.
-     */
-    addZipEntryComment(entry: AdmZip.IZipEntry, comment: string): void;
+    addZipEntryComment(entry: AdmZip.IZipEntry | string, comment: string): void;
     /**
      * Returns the comment of the specified entry.
-     * @param entry String with the full path of the entry.
+     * @param entry ZipEntry object or String with the full path of the entry.
      * @return String The comment of the specified entry.
      */
-    getZipEntryComment(entry: string): string;
-    /**
-     * Returns the comment of the specified entry
-     * @param entry ZipEntry object.
-     * @return String The comment of the specified entry.
-     */
-    getZipEntryComment(entry: AdmZip.IZipEntry): string;
+    getZipEntryComment(entry: AdmZip.IZipEntry | string): string;
     /**
      * Updates the content of an existing entry inside the archive. The zip
      * must be rewritten after updating the content
-     * @param entry String with the full path of the entry.
+     * @param entry ZipEntry object or String with the full path of the entry.
      * @param content The entry's new contents.
      */
-    updateFile(entry: string, content: Buffer): void;
-    /**
-     * Updates the content of an existing entry inside the archive. The zip
-     * must be rewritten after updating the content
-     * @param entry ZipEntry object.
-     * @param content The entry's new contents.
-     */
-    updateFile(entry: AdmZip.IZipEntry, content: Buffer): void;
+    updateFile(entry: AdmZip.IZipEntry | string, content: Buffer): void;
     /**
      * Adds a file from the disk to the archive.
      * @param localPath Path to a file on disk.
@@ -179,7 +122,7 @@ declare class AdmZip {
      * Extracts the given entry to the given targetPath.
      * If the entry is a directory inside the archive, the entire directory and
      * its subdirectories will be extracted.
-     * @param entry String with the full path of the entry
+     * @param entry ZipEntry object or String with the full path of the entry
      * @param targetPath Target folder where to write the file
      * @param maintainEntryPath If maintainEntryPath is true and the entry is
      *   inside a folder, the entry folder will be created in targetPath as
@@ -189,21 +132,7 @@ declare class AdmZip {
      *
      * @return Boolean
      */
-    extractEntryTo(entryPath: string, targetPath: string, maintainEntryPath?: boolean, overwrite?: boolean): boolean;
-    /**
-     * Extracts the given entry to the given targetPath.
-     * If the entry is a directory inside the archive, the entire directory and
-     * its subdirectories will be extracted.
-     * @param entry ZipEntry object
-     * @param targetPath Target folder where to write the file
-     * @param maintainEntryPath If maintainEntryPath is true and the entry is
-     *   inside a folder, the entry folder will be created in targetPath as
-     *   well. Default is TRUE
-     * @param overwrite If the file already exists at the target path, the file
-     *   will be overwriten if this is true. Default is FALSE
-     * @return Boolean
-     */
-    extractEntryTo(entryPath: AdmZip.IZipEntry, targetPath: string, maintainEntryPath?: boolean, overwrite?: boolean): boolean;
+    extractEntryTo(entryPath: AdmZip.IZipEntry | string, targetPath: string, maintainEntryPath?: boolean, overwrite?: boolean): boolean;
     /**
      * Extracts the entire archive to the given location
      * @param targetPath Target location
diff --git a/agenda/index.d.ts b/agenda/index.d.ts
index 8c4d102326..d06d4089a4 100644
--- a/agenda/index.d.ts
+++ b/agenda/index.d.ts
@@ -10,13 +10,9 @@ import { Db, Collection, ObjectID } from "mongodb";
 
 export = Agenda;
 
-interface Callback {
-    (err?: Error): void;
-}
+type Callback = (err?: Error) => void;
 
-interface ResultCallback<T> {
-    (err?: Error, result?: T): void;
-}
+type ResultCallback<T> = (err?: Error, result?: T) => void;
 
 
 declare class Agenda extends EventEmitter {
diff --git a/ajv/index.d.ts b/ajv/index.d.ts
index ee06bc2f19..1466db0e99 100644
--- a/ajv/index.d.ts
+++ b/ajv/index.d.ts
@@ -57,7 +57,7 @@ declare class Ajv {
     static ValidationError: Function;
 }
 declare namespace Ajv {
-    type AjvOptions = {
+    interface AjvOptions {
         v5?: boolean;
         allErrors?: boolean;
         verbose?: boolean;
@@ -82,21 +82,21 @@ declare namespace Ajv {
         loopRequired?: number;
         ownProperties?: boolean;
         multipleOfPrecision?: boolean | number;
-        errorDataPath?: string,
+        errorDataPath?: string;
         messages?: boolean;
         beautify?: boolean;
         cache?: any;
-    };
+    }
     type AjvValidate = ((data: any) => boolean | PromiseLike<boolean>) & {
         errors: ValidationError[];
     };
-    type AjxKeywordDefinition = {
+    interface AjxKeywordDefinition {
         async?: boolean;
         type: string;
         compile?: (schema: any, parentsSchema: any) => ((data: any) => boolean | PromiseLike<boolean>);
         validate?: (schema: any, data: any) => boolean;
-    };
-    type ValidationError = {
+    }
+    interface ValidationError {
         keyword: string;
         dataPath: string;
         schemaPath: string;
@@ -105,7 +105,7 @@ declare namespace Ajv {
         schema: any;
         parentSchema: any;
         data: any;
-    };
+    }
 }
 
 export = Ajv;
diff --git a/alexa-sdk/tslint.json b/alexa-sdk/tslint.json
index 0f47deabb4..e050abdce9 100644
--- a/alexa-sdk/tslint.json
+++ b/alexa-sdk/tslint.json
@@ -1,6 +1,7 @@
 {
     "extends": "../tslint.json",
     "rules": {
-        "forbidden-types": false
+        "forbidden-types": false,
+        "no-empty-interface": false
     }
 }
\ No newline at end of file
diff --git a/alt/index.d.ts b/alt/index.d.ts
index 9385526c71..900c35c668 100644
--- a/alt/index.d.ts
+++ b/alt/index.d.ts
@@ -26,7 +26,7 @@ declare namespace AltJS {
     //state
     setState?(state: S | ((currentState: S, nextState: S) => S)): void;
     getState?(): S;
-    waitFor?(storeOrStores: AltStore<any> | AltStore<any>[]): void;
+    waitFor?(storeOrStores: AltStore<any> | Array<AltStore<any>>): void;
 
     //events
     onSerialize?(fn: (data: any) => any): void;
@@ -48,7 +48,9 @@ declare namespace AltJS {
     displayName?: string;
   }
 
-  export type Source = {[name: string]: () => SourceModel<any>};
+  export interface Source {
+    [name: string]: () => SourceModel<any>;
+  }
 
   export interface SourceModel<S> {
     local(state: any, ...args: any[]): any;
@@ -75,7 +77,9 @@ declare namespace AltJS {
     error
   }
 
-  export type Actions = {[action: string]: Action<any>};
+  export interface Actions {
+    [action: string]: Action<any>;
+  }
 
   export interface Action<T> {
     ( args: T): void;
@@ -104,13 +108,12 @@ declare namespace AltJS {
     bootstrap(jsonData: string): void;
     takeSnapshot( ...storeNames: string[]): string;
     flush(): Object;
-    recycle( ...stores: AltJS.AltStore<any>[]): void;
+    recycle( ...stores: Array<AltJS.AltStore<any>>): void;
     rollback(): void;
     dispatch(action?: AltJS.Action<any>, data?: Object, details?: any): void;
 
     //Actions methods
     addActions(actionsName: string, ActionsClass: ActionsClassConstructor): void;
-    createActions<T>(ActionsClass: ActionsClassConstructor, exportObj?: Object): T;
     createActions<T>(ActionsClass: ActionsClassConstructor, exportObj?: Object, ...constructorArgs: any[]): T;
     generateActions<T>( ...actions: string[]): T;
     getActions(actionsName: string): AltJS.Actions;
@@ -128,7 +131,9 @@ declare namespace AltJS {
   type ActionsClassConstructor = new (alt: Alt) => AltJS.ActionsClass;
 
   type ActionHandler = ( ...data: any[]) => any;
-  type ExportConfig = {[key: string]: (...args: any[]) => any};
+  interface ExportConfig {
+    [key: string]: (...args: any[]) => any;
+  }
 }
 
 declare module "alt/utils/chromeDebug" {
@@ -142,7 +147,7 @@ declare module "alt/AltContainer" {
 
   interface ContainerProps {
     store?: AltJS.AltStore<any>;
-    stores?: AltJS.AltStore<any>[];
+    stores?: Array<AltJS.AltStore<any>>;
     inject?: {[key: string]: any};
     actions?: {[key: string]: Object};
     render?: (...props: any[]) => React.ReactElement<any>;
diff --git a/amazon-product-api/index.d.ts b/amazon-product-api/index.d.ts
index e86165e6f6..350bdbf795 100644
--- a/amazon-product-api/index.d.ts
+++ b/amazon-product-api/index.d.ts
@@ -11,9 +11,7 @@ interface ICredentials {
     awsTag: string;
 }
 
-interface IAmazonProductQueryCallback {
-    (err: string, results: Object[]): void;
-}
+type IAmazonProductQueryCallback = (err: string, results: Object[]) => void;
 
 interface IAmazonProductClient {
     itemSearch(query: any, callback?: IAmazonProductQueryCallback): Promise<Object[]>;