diff --git a/types/doubleclick-gpt/index.d.ts b/types/doubleclick-gpt/index.d.ts
index bd11c93f37..374f410c36 100644
--- a/types/doubleclick-gpt/index.d.ts
+++ b/types/doubleclick-gpt/index.d.ts
@@ -6,25 +6,25 @@
 // TypeScript Version: 2.2
 
 declare namespace googletag {
-    export type SingleSizeArray = number[];
+    type SingleSizeArray = number[];
 
-    export type NamedSize = string | string[];
+    type NamedSize = string | string[];
 
-    export type SingleSize = SingleSizeArray | NamedSize;
+    type SingleSize = SingleSizeArray | NamedSize;
 
-    export type MultiSize = SingleSize[];
+    type MultiSize = SingleSize[];
 
-    export type GeneralSize = SingleSize | MultiSize;
+    type GeneralSize = SingleSize | MultiSize;
 
-    export type SizeMapping = GeneralSize[];
+    type SizeMapping = GeneralSize[];
 
-    export type SizeMappingArray = SizeMapping[];
+    type SizeMappingArray = SizeMapping[];
 
-    export interface CommandArray {
+    interface CommandArray {
         push(f: () => void): number;
     }
 
-    export interface Service {
+    interface Service {
         addEventListener(
           eventType: string,
             listener: (event: events.ImpressionViewableEvent | events.SlotOnloadEvent | events.SlotRenderEndedEvent | events.slotVisibilityChangedEvent) => void
@@ -32,29 +32,29 @@ declare namespace googletag {
         getSlots(): Slot[];
     }
 
-    export interface CompanionAdsService extends Service {
+    interface CompanionAdsService extends Service {
         enableSyncLoading(): void;
         setRefreshUnfilledSlots(value: boolean): void;
     }
 
-    export interface ContentService extends Service {
+    interface ContentService extends Service {
         setContent(slot: Slot, content: string): void;
     }
 
-    export interface LazyLoadOptionsConfig {
+    interface LazyLoadOptionsConfig {
         fetchMarginPercent?: number;
         renderMarginPercent?: number;
         mobileScaling?: number;
     }
 
-    export interface ResponseInformation {
+    interface ResponseInformation {
         advertiserId: string;
         campaignId: string;
         creativeId?: number;
         lineItemId?: number;
     }
 
-    export interface SafeFrameConfig {
+    interface SafeFrameConfig {
         allowOverlayExpansion?: boolean;
         allowPushExpansion?: boolean;
         sandbox?: boolean;
@@ -79,7 +79,7 @@ declare namespace googletag {
         sizeMapping(): SizeMappingBuilder;
     }
 
-    export interface Slot {
+    interface Slot {
         addService(service: Service): Slot;
         clearCategoryExclusions(): Slot;
         clearTargeting(opt_key?: string): Slot;
@@ -101,7 +101,7 @@ declare namespace googletag {
         setTargeting(key: string, value: string | string[]): Slot;
     }
 
-    export interface PassbackSlot {
+    interface PassbackSlot {
         display(): void;
         get(key: string): string;
         set(key: string, value: string): PassbackSlot;
@@ -113,7 +113,7 @@ declare namespace googletag {
         updateTargetingFromMap(map: object): PassbackSlot;
     }
 
-    export interface PubAdsService extends Service {
+    interface PubAdsService extends Service {
         clear(opt_slots?: Slot[]): boolean;
         clearCategoryExclusions(): PubAdsService;
         clearTagForChildDirectedTreatment(): PubAdsService;
@@ -149,23 +149,23 @@ declare namespace googletag {
         updateCorrelator(): PubAdsService;
     }
 
-    export interface SizeMappingBuilder {
+    interface SizeMappingBuilder {
         addSize(viewportSize: SingleSizeArray, slotSize: GeneralSize): SizeMappingBuilder;
         build(): SizeMappingArray;
     }
 
-    export namespace events {
-        export interface ImpressionViewableEvent {
+    namespace events {
+        interface ImpressionViewableEvent {
             serviceName: string;
             slot: Slot;
         }
 
-        export interface SlotOnloadEvent {
+        interface SlotOnloadEvent {
             serviceName: string;
             slot: Slot;
         }
 
-        export interface SlotRenderEndedEvent {
+        interface SlotRenderEndedEvent {
             advertiserId?: number;
             creativeId?: number;
             isEmpty: boolean;
@@ -177,7 +177,7 @@ declare namespace googletag {
             sourceAgnosticLineItemId?: number;
         }
 
-        export interface slotVisibilityChangedEvent {
+        interface slotVisibilityChangedEvent {
             inViewPercentage: number;
             serviceName: string;
             slot: Slot;
diff --git a/types/doubleclick-gpt/tslint.json b/types/doubleclick-gpt/tslint.json
index 4c4fc86ace..f93cf8562a 100644
--- a/types/doubleclick-gpt/tslint.json
+++ b/types/doubleclick-gpt/tslint.json
@@ -1,6 +1,3 @@
 {
-    "extends": "dtslint/dt.json",
-    "rules": {
-        "strict-export-declare-modifiers": false
-    }
+    "extends": "dtslint/dt.json"
 }