diff --git a/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts b/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
index c80b4c56..fd686cc7 100644
--- a/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
+++ b/addons/xterm-addon-webgl/src/renderLayer/CursorRenderLayer.ts
@@ -54,6 +54,12 @@ export class CursorRenderLayer extends BaseRenderLayer {
     this.onOptionsChanged(terminal);
   }
 
+  public override dispose(): void {
+    this._cursorBlinkStateManager?.dispose();
+    this._cursorBlinkStateManager = undefined;
+    super.dispose();
+  }
+
   public resize(terminal: Terminal, dim: IRenderDimensions): void {
     super.resize(terminal, dim);
     // Resizing the canvas discards the contents of the canvas so clear state
diff --git a/src/browser/Linkifier2.ts b/src/browser/Linkifier2.ts
index dae9acfa..9c978949 100644
--- a/src/browser/Linkifier2.ts
+++ b/src/browser/Linkifier2.ts
@@ -38,6 +38,11 @@ export class Linkifier2 extends Disposable implements ILinkifier2 {
     this.register(getDisposeArrayDisposable(this._linkCacheDisposables));
   }
 
+  public dispose(): void {
+    super.dispose();
+    this._lastMouseEvent = undefined;
+  }
+
   public registerLinkProvider(linkProvider: ILinkProvider): IDisposable {
     this._linkProviders.push(linkProvider);
     return {
diff --git a/src/browser/Terminal.ts b/src/browser/Terminal.ts
index ac6f887e..3fd421ad 100644
--- a/src/browser/Terminal.ts
+++ b/src/browser/Terminal.ts
@@ -586,11 +586,11 @@ export class Terminal extends CoreTerminal implements ITerminal {
     }
 
     if (this.options.overviewRulerWidth) {
-      this._overviewRulerRenderer = this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement);
+      this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
     }
     this.optionsService.onOptionChange(() => {
       if (!this._overviewRulerRenderer && this.options.overviewRulerWidth && this._viewportElement && this.screenElement) {
-        this._overviewRulerRenderer = this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement);
+        this._overviewRulerRenderer = this.register(this._instantiationService.createInstance(OverviewRulerRenderer, this._viewportElement, this.screenElement));
       }
     });
     // Measure the character size
diff --git a/src/browser/Types.d.ts b/src/browser/Types.d.ts
index f7011200..f0e70437 100644
--- a/src/browser/Types.d.ts
+++ b/src/browser/Types.d.ts
@@ -168,7 +168,7 @@ export interface ILinkWithState {
   state?: ILinkState;
 }
 
-export interface ILinkifier2 {
+export interface ILinkifier2 extends IDisposable {
   onShowLinkUnderline: IEvent<ILinkifierEvent>;
   onHideLinkUnderline: IEvent<ILinkifierEvent>;
   readonly currentLink: ILinkWithState | undefined;