diff --git a/bootbox/bootbox.d.ts b/bootbox/bootbox.d.ts
index 6177e1396..91c299931 100644
--- a/bootbox/bootbox.d.ts
+++ b/bootbox/bootbox.d.ts
@@ -26,8 +26,8 @@ interface BootboxButton {
 }
 
 interface BootboxDialogOptions {
-	message: any; // String | Element
-	title?: any; // String | Element
+	message: string | Element
+	title?: string | Element
 	callback?: (result: boolean) => any;
 	show?: boolean;
 	onEscape?: () => any;
@@ -60,4 +60,4 @@ interface BootboxStatic {
 	hideAll(): void;
 }
 
-declare var bootbox: BootboxStatic;
\ No newline at end of file
+declare var bootbox: BootboxStatic;
diff --git a/bunyan/bunyan.d.ts b/bunyan/bunyan.d.ts
index 41d333b83..fd4e9d89a 100644
--- a/bunyan/bunyan.d.ts
+++ b/bunyan/bunyan.d.ts
@@ -18,8 +18,8 @@ declare module "bunyan" {
         child(obj:Object, simple?:boolean):Logger;
         reopenFileStreams():void;
 
-        level(value:any /* number | string */):void;
-        levels(name:any /* number | string */, value:any /* number | string */):void;
+        level(value: number | string):void;
+        levels(name: number | string, value: number | string):void;
 
         trace(error:Error, format?:any, ...params:any[]):void;
         trace(buffer:Buffer, format?:any, ...params:any[]):void;
@@ -62,9 +62,9 @@ declare module "bunyan" {
 
     interface Stream {
         type?: string;
-        level?: any; // number | string
+        level?: number | string;
         path?: string;
-        stream?: any; // WritableStream | Stream;
+        stream?: WritableStream | Stream;
         closeOnExit?: boolean;
     }
 
@@ -77,7 +77,7 @@ declare module "bunyan" {
     export var ERROR:number;
     export var FATAL:number;
 
-    export function resolveLevel(value:any /* number | string */):number;
+    export function resolveLevel(value: number | string):number;
 
     export function createLogger(options:LoggerOptions):Logger;
 
diff --git a/mozilla-spidermonkey-parser-api/mozilla-spidermonkey-parser-api.d.ts b/mozilla-spidermonkey-parser-api/mozilla-spidermonkey-parser-api.d.ts
index c83c6162d..e91029137 100644
--- a/mozilla-spidermonkey-parser-api/mozilla-spidermonkey-parser-api.d.ts
+++ b/mozilla-spidermonkey-parser-api/mozilla-spidermonkey-parser-api.d.ts
@@ -59,7 +59,7 @@ declare module spiderMonkeyParserAPI {
             params: Pattern[];
             defaults: Expression[];
             rest?: Identifier;
-            body?: any; // BlockStatement | Expression;
+            body?: BlockStatement | Expression;
             generator: boolean;
             expression: boolean;
         }
@@ -74,7 +74,7 @@ declare module spiderMonkeyParserAPI {
          * An empty statement, i.e., a solitary semicolon.
          */
         interface EmptyStatement extends Statement {
-            type: string; //"EmptyStatement";
+            type: string; // "EmptyStatement";
         }
 
         /**
@@ -190,7 +190,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface ForStatement extends Statement {
             type: string; // "ForStatement";
-            init?: any; // VariableDeclaration | Expression;
+            init?: VariableDeclaration | Expression;
             test?: Expression;
             update?: Expression;
             body: Statement;
@@ -201,7 +201,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface ForInStatement extends Statement {
             type: string; // "ForInStatement";
-            left: any; // VariableDeclaration | Expression;
+            left: VariableDeclaration | Expression;
             right: Expression;
             body: Statement;
             each: boolean;
@@ -212,7 +212,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface ForOfStatement extends Statement {
             type: string; // "ForOfStatement";
-            left: any; // VariableDeclaration | Expression;
+            left: VariableDeclaration | Expression;
             right: Expression;
             body: Statement;
         }
@@ -248,7 +248,7 @@ declare module spiderMonkeyParserAPI {
             params: Pattern[];
             defaults: Expression[];
             rest?: Identifier;
-            body: any; // BlockStatement | Expression;
+            body: BlockStatement | Expression;
             generator: boolean;
             expression: boolean;
         }
@@ -307,7 +307,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface Property extends Node {
             type: string; // "Property";
-            key: any; // Literal | Identifier;
+            key: Literal | Identifier;
             value: Expression;
             kind: string; // "init" | "get" | "set";
         }
@@ -321,7 +321,7 @@ declare module spiderMonkeyParserAPI {
             params: Pattern[];
             defaults: Expression[];
             rest?: Identifier;
-            body: any; // BlockStatement | Expression;
+            body: BlockStatement | Expression;
             generator: boolean;
             expression: boolean;
         }
@@ -334,7 +334,7 @@ declare module spiderMonkeyParserAPI {
             params: Pattern[];
             defaults: Expression[];
             rest?: Identifier;
-            body: any; // BlockStatement | Expression;
+            body: BlockStatement | Expression;
             generator: boolean;
             expression: boolean;
         }
@@ -433,7 +433,7 @@ declare module spiderMonkeyParserAPI {
         interface MemberExpression extends Expression {
             type: string; // "MemberExpression";
             object: Expression;
-            property: any; // Identifier | Expression;
+            property: Identifier | Expression;
             computed: boolean;
         }
 
@@ -510,7 +510,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface ObjectPattern extends Pattern {
             type: string; // "ObjectPattern";
-            properties: {key: any /* Literal | Identifier */; value: Pattern;}[]; // [ { key: Literal | Identifier, value: Pattern } ];
+            properties: {key: Literal | Identifier; value: Pattern;}[]; // [ { key: Literal | Identifier, value: Pattern } ];
         }
 
         /**
@@ -565,8 +565,7 @@ declare module spiderMonkeyParserAPI {
          */
         interface Literal extends Node, Expression {
             type: string; // "Literal";
-            // TODO union types
-            value: any; // string | boolean | null | number | RegExp;
+            value?: string | boolean | number | RegExp;
         }
 
         /**
diff --git a/nexpect/nexpect.d.ts b/nexpect/nexpect.d.ts
index 4996c2b4f..f00058758 100644
--- a/nexpect/nexpect.d.ts
+++ b/nexpect/nexpect.d.ts
@@ -21,7 +21,7 @@ declare module "nexpect" {
         wait(expectation:RegExp):IChain;
         sendline(line:string):IChain;
         sendEof():IChain;
-        run(callback:(err:Error, output:string[], exit:any /* string | number */)=>void):child_process.ChildProcess;
+        run(callback:(err:Error, output:string[], exit: string | number)=>void):child_process.ChildProcess;
     }
 
     interface ISpawnOptions {