diff --git a/addons/xterm-addon-ligatures/yarn.lock b/addons/xterm-addon-ligatures/yarn.lock
index ef052e86..64117742 100644
--- a/addons/xterm-addon-ligatures/yarn.lock
+++ b/addons/xterm-addon-ligatures/yarn.lock
@@ -67,9 +67,9 @@ fd-slicer@~1.1.0:
     pend "~1.2.0"
 
 follow-redirects@^1.14.0:
-  version "1.14.7"
-  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.7.tgz#2004c02eb9436eee9a21446a6477debf17e81685"
-  integrity sha512-+hbxoLbFMbRKDwohX8GkTataGqO6Jb7jGwpAlwgy2bIz25XtRm7KEzJM76R1WiNT5SwZkX4Y75SwBolkpmE7iQ==
+  version "1.14.8"
+  resolved "https://registry.yarnpkg.com/follow-redirects/-/follow-redirects-1.14.8.tgz#016996fb9a11a100566398b1c6839337d7bfa8fc"
+  integrity sha512-1x0S9UVJHsQprFcEC/qnNzBLcIxsjAV905f/UkQxbclCsoTWlacCNOpQa/anodLl2uaEKFhfWOvM2Qg77+15zA==
 
 font-finder@^1.0.3:
   version "1.0.4"
diff --git a/src/browser/services/DecorationService.ts b/src/browser/services/DecorationService.ts
index f29ec7ea..957a5de5 100644
--- a/src/browser/services/DecorationService.ts
+++ b/src/browser/services/DecorationService.ts
@@ -16,11 +16,7 @@ export class DecorationService extends Disposable implements IDecorationService
   private _screenElement: HTMLElement | undefined;
   private _renderService: IRenderService | undefined;
 
-  constructor(
-    @IBufferService private readonly _bufferService: IBufferService,
-    @IInstantiationService private readonly _instantiationService: IInstantiationService) {
-    super();
-  }
+  constructor(@IInstantiationService private readonly _instantiationService: IInstantiationService) { super(); }
 
   public attachToDom(screenElement: HTMLElement, renderService: IRenderService): void {
     this._renderService = renderService;
@@ -28,7 +24,6 @@ export class DecorationService extends Disposable implements IDecorationService
     this._container = document.createElement('div');
     this._container.classList.add('xterm-decoration-container');
     screenElement.appendChild(this._container);
-    this.refresh();
     this.register(this._renderService.onRenderedBufferChange(() => this.refresh()));
     this.register(this._renderService.onDimensionsChange(() => this.refresh(true)));
   }
@@ -43,12 +38,12 @@ export class DecorationService extends Disposable implements IDecorationService
     return decoration;
   }
 
-  public refresh(recreate?: boolean): void {
-    if (!this._bufferService || !this._renderService) {
+  public refresh(shouldRecreate?: boolean): void {
+    if (!this._renderService) {
       return;
     }
     for (const decoration of this._decorations) {
-      decoration.render(this._renderService, recreate);
+      decoration.render(this._renderService, shouldRecreate);
     }
   }
 
@@ -56,16 +51,15 @@ export class DecorationService extends Disposable implements IDecorationService
     for (const decoration of this._decorations) {
       decoration.dispose();
     }
-    if (this._container) {
-      this._screenElement?.removeChild(this._container);
+    if (this._screenElement && this._container && this._screenElement.contains(this._container)) {
+      this._screenElement.removeChild(this._container);
     }
   }
 }
 export class Decoration extends Disposable implements IDecoration {
-  private static _nextId = 1;
   private readonly _marker: IMarker;
   private _element: HTMLElement | undefined;
-  private readonly _id: number = Decoration._nextId++;
+
   public isDisposed: boolean = false;
 
   public get element(): HTMLElement | undefined { return this._element; }
@@ -90,48 +84,56 @@ export class Decoration extends Disposable implements IDecoration {
     super();
     this.x = options.x ?? 0;
     this._marker = options.marker;
+    this._marker.onDispose(() => this.dispose());
     this.anchor = options.anchor || 'left';
     this.width = options.width || 1;
     this.height = options.height || 1;
   }
 
-  public render(renderService: IRenderService, recreate?: boolean): void {
-    if (!this._element || recreate) {
-      this._createElement(renderService, recreate);
+  public render(renderService: IRenderService, shouldRecreate?: boolean): void {
+    if (!this._element || shouldRecreate) {
+      this._createElement(renderService, shouldRecreate);
     }
     if (this._container && this._element && !this._container.contains(this._element)) {
       this._container.append(this._element);
     }
     this._refreshStyle(renderService);
-    this._onRender.fire(this._element!);
+    if (this._element) {
+      this._onRender.fire(this._element);
+    }
   }
 
-  private _createElement(renderService: IRenderService, recreate?: boolean): void {
-    if (recreate && this._element) {
+  private _createElement(renderService: IRenderService, shouldRecreate?: boolean): void {
+    if (shouldRecreate && this._element && this._container.contains(this._element)) {
       this._container.removeChild(this._element);
     }
     this._element = document.createElement('div');
     this._element.classList.add('xterm-decoration');
-    this._element.style.width = `${this.width * renderService.dimensions.scaledCellWidth}px`;
-    this._element.style.height = `${this.height * renderService.dimensions.scaledCellHeight}px`;
-    this._element.style.top = `${(this.marker.line - this._bufferService.buffers.active.ydisp) * renderService.dimensions.scaledCellHeight}px`;
+    this._element.style.width = `${this.width * renderService.dimensions.actualCellWidth}px`;
+    this._element.style.height = `${this.height * renderService.dimensions.actualCellHeight}px`;
+    this._element.style.top = `${(this.marker.line - this._bufferService.buffers.active.ydisp) * renderService.dimensions.actualCellHeight}px`;
 
     if (this.x && this.x > this._bufferService.cols) {
-      this._element!.style.display = 'none';
+      // exceeded the container width, so hide
+      this._element.style.display = 'none';
     }
     if (this.anchor === 'right') {
-      this._element.style.right = this.x ? `${this.x * renderService.dimensions.scaledCellWidth}px` : '';
+      this._element.style.right = this.x ? `${this.x * renderService.dimensions.actualCellWidth}px` : '';
     } else {
-      this._element.style.left = this.x ? `${this.x * renderService.dimensions.scaledCellWidth}px` : '';
+      this._element.style.left = this.x ? `${this.x * renderService.dimensions.actualCellWidth}px` : '';
     }
     this.register({
       dispose: () => {
         if (this.isDisposed) {
           return;
         }
-        this._container.removeChild(this._element!);
+        if (!this.marker.isDisposed) {
+          this.marker.dispose();
+        }
+        if (this._element && this._container.contains(this._element)) {
+          this._container.removeChild(this._element);
+        }
         this.isDisposed = true;
-        this._marker.dispose();
         // Emit before super.dispose such that dispose listeners get a change to react
         this._onDispose.fire();
         super.dispose();
@@ -140,13 +142,16 @@ export class Decoration extends Disposable implements IDecoration {
   }
 
   private _refreshStyle(renderService: IRenderService): void {
+    if (!this._element) {
+      return;
+    }
     const line = this.marker.line - this._bufferService.buffers.active.ydisp;
     if (line < 0 || line > this._bufferService.rows) {
       // outside of viewport
-      this._element!.style.display = 'none';
+      this._element.style.display = 'none';
     } else {
-      this._element!.style.top = `${line * renderService.dimensions.scaledCellHeight}px`;
-      this._element!.style.display = 'block';
+      this._element.style.top = `${line * renderService.dimensions.actualCellHeight}px`;
+      this._element.style.display = this._bufferService.buffer === this._bufferService.buffers.alt ? 'none' : 'block';
     }
   }
 }
diff --git a/src/common/InputHandler.ts b/src/common/InputHandler.ts
index 88634048..6198aa37 100644
--- a/src/common/InputHandler.ts
+++ b/src/common/InputHandler.ts
@@ -1232,6 +1232,7 @@ export class InputHandler extends Disposable implements IInputHandler {
     const line = this._activeBuffer.lines.get(this._activeBuffer.ybase + y)!;
     line.fill(this._activeBuffer.getNullCell(this._eraseAttrData()));
     line.isWrapped = false;
+    this._bufferService.buffer.clearMarkers(y);
   }
 
   /**
diff --git a/src/common/buffer/Buffer.ts b/src/common/buffer/Buffer.ts
index 8addf45a..266c16aa 100644
--- a/src/common/buffer/Buffer.ts
+++ b/src/common/buffer/Buffer.ts
@@ -585,12 +585,19 @@ export class Buffer implements IBuffer {
     return x >= this._cols ? this._cols - 1 : x < 0 ? 0 : x;
   }
 
-  public clearMarkers(): void {
+  public clearMarkers(y?: number): void {
     this._isClearing = true;
-    for (const marker of this.markers) {
-      marker.dispose();
+    if (y) {
+      for (const marker of this.markers.filter(m => m.line === y)) {
+        marker.dispose();
+        this.markers.splice(this.markers.indexOf(marker), 1);
+      }
+    } else {
+      for (const marker of this.markers) {
+        marker.dispose();
+      }
+      this.markers = [];
     }
-    this.markers = [];
     this._isClearing = false;
   }
 
diff --git a/src/common/buffer/Types.d.ts b/src/common/buffer/Types.d.ts
index 9259d46d..36b70b7f 100644
--- a/src/common/buffer/Types.d.ts
+++ b/src/common/buffer/Types.d.ts
@@ -45,7 +45,7 @@ export interface IBuffer {
   getNullCell(attr?: IAttributeData): ICellData;
   getWhitespaceCell(attr?: IAttributeData): ICellData;
   addMarker(y: number): IMarker;
-  clearMarkers(): void;
+  clearMarkers(y?: number): void;
 }
 
 export interface IBufferSet extends IDisposable {