diff --git a/addons/mail/static/src/models/emoji_category_view.js b/addons/mail/static/src/models/emoji_category_view.js
index 9cc6f2a7fef..8a79fa9e03f 100644
--- a/addons/mail/static/src/models/emoji_category_view.js
+++ b/addons/mail/static/src/models/emoji_category_view.js
@@ -17,12 +17,18 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseenter(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: true });
         },
         /**
          * @param {MouseEvent} ev
          */
         onMouseleave(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: false });
         },
     },
diff --git a/addons/mail/static/src/models/link_preview_card_view.js b/addons/mail/static/src/models/link_preview_card_view.js
index c2825669dce..46b52e75397 100644
--- a/addons/mail/static/src/models/link_preview_card_view.js
+++ b/addons/mail/static/src/models/link_preview_card_view.js
@@ -11,12 +11,18 @@ registerModel({
          * Handles mouse enter event for the container of this element.
          */
         onMouseEnter() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: true });
         },
         /**
          * Handles mouse leave event for the container of this element.
          */
         onMouseLeave() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: false });
         },
     },
diff --git a/addons/mail/static/src/models/link_preview_image_view.js b/addons/mail/static/src/models/link_preview_image_view.js
index 09703704410..2ed05c6215c 100644
--- a/addons/mail/static/src/models/link_preview_image_view.js
+++ b/addons/mail/static/src/models/link_preview_image_view.js
@@ -11,12 +11,18 @@ registerModel({
          * Handles mouse enter event for the container of this element.
          */
         onMouseEnter() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: true });
         },
         /**
          * Handles mouse leave event for the container of this element.
          */
         onMouseLeave() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: false });
         },
     },
diff --git a/addons/mail/static/src/models/link_preview_video_view.js b/addons/mail/static/src/models/link_preview_video_view.js
index 3b4edabb7f6..a13f7d6766d 100644
--- a/addons/mail/static/src/models/link_preview_video_view.js
+++ b/addons/mail/static/src/models/link_preview_video_view.js
@@ -11,12 +11,18 @@ registerModel({
          * Handles mouse enter event for the container of this element.
          */
         onMouseEnter() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: true });
         },
         /**
          * Handles mouse leave event for the container of this element.
          */
         onMouseLeave() {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isHovered: false });
         },
     },
diff --git a/addons/mail/static/src/models/thread_view_topbar.js b/addons/mail/static/src/models/thread_view_topbar.js
index 89166dd61d4..1e2411ab203 100644
--- a/addons/mail/static/src/models/thread_view_topbar.js
+++ b/addons/mail/static/src/models/thread_view_topbar.js
@@ -303,7 +303,7 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseEnterTopbarThreadName(ev) {
-            if (!this.thread || !this.thread.isChannelRenamable) {
+            if (!this.exists() || !this.thread || !this.thread.isChannelRenamable) {
                 return;
             }
             this.update({ isMouseOverThreadName: true });
@@ -325,6 +325,9 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseEnterUserName(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isMouseOverUserName: true });
         },
         /**
@@ -333,6 +336,9 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseLeaveTopbarThreadName(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isMouseOverThreadName: false });
         },
         /**
@@ -341,6 +347,9 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseLeaveTopbarThreadDescription(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isMouseOverThreadDescription: false });
         },
         /**
@@ -349,6 +358,9 @@ registerModel({
          * @param {MouseEvent} ev
          */
         onMouseLeaveUserName(ev) {
+            if (!this.exists()) {
+                return;
+            }
             this.update({ isMouseOverUserName: false });
         },
         /**