diff --git a/front_end/core/sdk/TracingManager.ts b/front_end/core/sdk/TracingManager.ts
index dad0884a4a..386a8cd167 100644
--- a/front_end/core/sdk/TracingManager.ts
+++ b/front_end/core/sdk/TracingManager.ts
@@ -10,7 +10,7 @@ import {Capability} from './Target.js';
 import {SDKModel} from './SDKModel.js';
 import type {ObjectSnapshot} from './TracingModel.js';
 
-export class TracingManager extends SDKModel {
+export class TracingManager extends SDKModel<void> {
   private readonly tracingAgent: ProtocolProxyApi.TracingApi;
   private activeClient: TracingManagerClient|null;
   private eventBufferSize: number|null;
diff --git a/front_end/entrypoints/node_main/NodeMain.ts b/front_end/entrypoints/node_main/NodeMain.ts
index 1e795f3387..8e47771e5e 100644
--- a/front_end/entrypoints/node_main/NodeMain.ts
+++ b/front_end/entrypoints/node_main/NodeMain.ts
@@ -47,7 +47,7 @@ export class NodeMainImpl implements Common.Runnable.Runnable {
 
 Common.Runnable.registerEarlyInitializationRunnable(NodeMainImpl.instance);
 
-export class NodeChildTargetManager extends SDK.SDKModel.SDKModel implements ProtocolProxyApi.TargetDispatcher {
+export class NodeChildTargetManager extends SDK.SDKModel.SDKModel<void> implements ProtocolProxyApi.TargetDispatcher {
   private readonly targetManager: SDK.TargetManager.TargetManager;
   private readonly parentTarget: SDK.Target.Target;
   private readonly targetAgent: ProtocolProxyApi.TargetApi;
diff --git a/front_end/panels/css_overview/CSSOverviewModel.ts b/front_end/panels/css_overview/CSSOverviewModel.ts
index ad8db3ace1..4529de7079 100644
--- a/front_end/panels/css_overview/CSSOverviewModel.ts
+++ b/front_end/panels/css_overview/CSSOverviewModel.ts
@@ -41,7 +41,7 @@ export interface GlobalStyleStats {
   };
 }
 
-export class CSSOverviewModel extends SDK.SDKModel.SDKModel {
+export class CSSOverviewModel extends SDK.SDKModel.SDKModel<void> {
   private readonly runtimeAgent: ProtocolProxyApi.RuntimeApi;
   private readonly cssAgent: ProtocolProxyApi.CSSApi;
   private readonly domAgent: ProtocolProxyApi.DOMApi;
diff --git a/front_end/panels/input/InputModel.ts b/front_end/panels/input/InputModel.ts
index d252342808..df19e6c2f4 100644
--- a/front_end/panels/input/InputModel.ts
+++ b/front_end/panels/input/InputModel.ts
@@ -6,7 +6,7 @@ import * as SDK from '../../core/sdk/sdk.js';
 import type * as ProtocolProxyApi from '../../generated/protocol-proxy-api.js';
 import * as Protocol from '../../generated/protocol.js';
 
-export class InputModel extends SDK.SDKModel.SDKModel {
+export class InputModel extends SDK.SDKModel.SDKModel<void> {
   private readonly inputAgent: ProtocolProxyApi.InputApi;
   private eventDispatchTimer: number;
   private dispatchEventDataList: EventData[];
diff --git a/front_end/panels/screencast/InputModel.ts b/front_end/panels/screencast/InputModel.ts
index cbad5a55be..f5c373cb83 100644
--- a/front_end/panels/screencast/InputModel.ts
+++ b/front_end/panels/screencast/InputModel.ts
@@ -6,7 +6,7 @@ import * as SDK from '../../core/sdk/sdk.js';
 import type * as ProtocolProxyApi from '../../generated/protocol-proxy-api.js';
 import * as Protocol from '../../generated/protocol.js';
 
-export class InputModel extends SDK.SDKModel.SDKModel {
+export class InputModel extends SDK.SDKModel.SDKModel<void> {
   private readonly inputAgent: ProtocolProxyApi.InputApi;
   private activeTouchOffsetTop: number|null;
   private activeTouchParams: Protocol.Input.EmulateTouchFromMouseEventRequest|null;
diff --git a/front_end/ui/legacy/components/utils/TargetDetachedDialog.ts b/front_end/ui/legacy/components/utils/TargetDetachedDialog.ts
index 4a9e4a854c..5e77ec1aec 100644
--- a/front_end/ui/legacy/components/utils/TargetDetachedDialog.ts
+++ b/front_end/ui/legacy/components/utils/TargetDetachedDialog.ts
@@ -16,7 +16,7 @@ const UIStrings = {
 };
 const str_ = i18n.i18n.registerUIStrings('ui/legacy/components/utils/TargetDetachedDialog.ts', UIStrings);
 const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);
-export class TargetDetachedDialog extends SDK.SDKModel.SDKModel implements ProtocolProxyApi.InspectorDispatcher {
+export class TargetDetachedDialog extends SDK.SDKModel.SDKModel<void> implements ProtocolProxyApi.InspectorDispatcher {
   private static hideCrashedDialog: (() => void)|null;
   constructor(target: SDK.Target.Target) {
     super(target);