diff --git a/src/browser/Terminal.test.ts b/src/browser/Terminal.test.ts
index 4c1f1af1..8626be09 100644
--- a/src/browser/Terminal.test.ts
+++ b/src/browser/Terminal.test.ts
@@ -1582,15 +1582,16 @@ describe('Terminal', () => {
       // trimmed markers should contain line -1
       assert.deepEqual(disposeStack.map(el => el.line), [-1, -1]);
     });
-    it.skip('should dispose on DL', () => {
+    it('should dispose on DL', () => {
       term.writeSync('\x1b[3;1H');  // move cursor to 0, 2
       term.writeSync('\x1b[2M');    // delete 2 lines
       assert.deepEqual(disposeStack, [markers[2], markers[3]]);
     });
-    it.skip('should dispose on IL', () => {
+    it('should dispose on IL', () => {
       term.writeSync('\x1b[3;1H');  // move cursor to 0, 2
       term.writeSync('\x1b[2L');    // insert 2 lines
-      assert.deepEqual(disposeStack, [markers[3], markers[4]]);
+      assert.deepEqual(disposeStack, [markers[4], markers[3]]);
+      assert.deepEqual(markers.map(el => el.line), [0, 1, 4, -1, -1]);
     });
     it('should dispose on resize', () => {
       term.resize(10, 2);
diff --git a/src/common/CircularList.ts b/src/common/CircularList.ts
index d4ad3fce..ab00e681 100644
--- a/src/common/CircularList.ts
+++ b/src/common/CircularList.ts
@@ -158,6 +158,7 @@ export class CircularList<T> implements ICircularList<T> {
         this._array[this._getCyclicIndex(i)] = this._array[this._getCyclicIndex(i + deleteCount)];
       }
       this._length -= deleteCount;
+      this.onDeleteEmitter.fire({index: start, amount: deleteCount});
     }
 
     // Add items
@@ -167,6 +168,9 @@ export class CircularList<T> implements ICircularList<T> {
     for (let i = 0; i < items.length; i++) {
       this._array[this._getCyclicIndex(start + i)] = items[i];
     }
+    if (items.length) {
+      this.onInsertEmitter.fire({index: start, amount: items.length});
+    }
 
     // Adjust length as needed
     if (this._length + items.length > this._maxLength) {