diff --git a/docs/CHANGELOG.md b/docs/CHANGELOG.md
index 7eff455e3..0a85fb772 100644
--- a/docs/CHANGELOG.md
+++ b/docs/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+### 2.31.1
+
+- `Fix` - Prevent the warning from appearing when `readOnly` mode is initially set to `true`
+
 ### 2.31.0
 
 - `New` - Inline tools (those with `isReadOnlySupported` specified) can now be used in read-only mode
diff --git a/package.json b/package.json
index 5039584f8..386aee8c4 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "@editorjs/editorjs",
-  "version": "2.31.0",
+  "version": "2.31.1",
   "description": "Editor.js — open source block-style WYSIWYG editor with JSON output",
   "main": "dist/editorjs.umd.js",
   "module": "dist/editorjs.mjs",
diff --git a/src/components/modules/toolbar/blockSettings.ts b/src/components/modules/toolbar/blockSettings.ts
index 88f861b40..2b1e40356 100644
--- a/src/components/modules/toolbar/blockSettings.ts
+++ b/src/components/modules/toolbar/blockSettings.ts
@@ -68,6 +68,11 @@ export default class BlockSettings extends Module<BlockSettingsNodes> {
     return 'flipper' in this.popover ? this.popover?.flipper : undefined;
   }
 
+  /**
+   * Flag that indicates whether the `EditorMobileLayoutToggled` event listener is attached.
+   */
+  private hasMobileLayoutToggleListener = false;
+
   /**
    * Page selection utils
    */
@@ -92,6 +97,7 @@ export default class BlockSettings extends Module<BlockSettingsNodes> {
     }
 
     this.eventsDispatcher.on(EditorMobileLayoutToggled, this.close);
+    this.hasMobileLayoutToggleListener = true;
   }
 
   /**
@@ -100,7 +106,11 @@ export default class BlockSettings extends Module<BlockSettingsNodes> {
   public destroy(): void {
     this.removeAllNodes();
     this.listeners.destroy();
-    this.eventsDispatcher.off(EditorMobileLayoutToggled, this.close);
+
+    if (this.hasMobileLayoutToggleListener) {
+      this.eventsDispatcher.off(EditorMobileLayoutToggled, this.close);
+      this.hasMobileLayoutToggleListener = false;
+    }
   }
 
   /**