diff --git a/chai-json-schema/index.d.ts b/chai-json-schema/index.d.ts
index e3e4934c76..e66e2c96af 100644
--- a/chai-json-schema/index.d.ts
+++ b/chai-json-schema/index.d.ts
@@ -6,19 +6,19 @@
 // <reference types="node"/>
 // <reference types="chai" />
 
-declare namespace Chai {
-	export interface Assert {
-		jsonSchema(value: any, schema: any, msg?: string): void;
-		notJsonSchema(value: any, schema: any, msg?: string): void;
-	}
+declare global {
+	namespace Chai {
+		export interface Assert {
+			jsonSchema(value: any, schema: any, msg?: string): void;
+			notJsonSchema(value: any, schema: any, msg?: string): void;
+		}
 
-	export interface LanguageChains {
-		jsonSchema(schema: any, msg?: string): void;
+		export interface LanguageChains {
+			jsonSchema(schema: any, msg?: string): void;
+		}
 	}
 }
 
-declare module "chai-json-schema" {
-	function chaiJsonSchema(chai: any, utils: any): void;
-    namespace chaiJsonSchema {}
-	export = chaiJsonSchema;
-}
+declare function chaiJsonSchema(chai: any, utils: any): void;
+declare namespace chaiJsonSchema { }
+export = chaiJsonSchema;
diff --git a/chai-json-schema/tslint.json b/chai-json-schema/tslint.json
index 83a03ce890..377cc837d4 100644
--- a/chai-json-schema/tslint.json
+++ b/chai-json-schema/tslint.json
@@ -1,5 +1 @@
-{ "extends": "../tslint.json",
-    "rules": {
-        "no-single-declare-module": false
-    }
-}
+{ "extends": "../tslint.json" }