diff --git a/addons/web/static/src/legacy/js/views/basic/basic_renderer.js b/addons/web/static/src/legacy/js/views/basic/basic_renderer.js
index f2a19a0ca6f..95a227ffa03 100644
--- a/addons/web/static/src/legacy/js/views/basic/basic_renderer.js
+++ b/addons/web/static/src/legacy/js/views/basic/basic_renderer.js
@@ -47,11 +47,19 @@ var BasicRenderer = AbstractRenderer.extend(WidgetAdapterMixin, {
         // and on which field it is set.
         this.handleField = null;
         this.viewEditable = params.viewEditable;
+
+        // There an issue with bootstrap 5.1 (probably fixed in 5.2). A reference
+        // to some nodes with attached tooltips are kept and can never be garbage collected.
+        // We thus manually dispose them at destroy.
+        this.jQueryNodesWithTooltip = [];
     },
     /**
      * @override
      */
     destroy: function () {
+        for (const $node of this.jQueryNodesWithTooltip) {
+            $node.tooltip("dispose");
+        }
         this._super.apply(this, arguments);
         WidgetAdapterMixin.destroy.call(this);
     },
@@ -315,6 +323,8 @@ var BasicRenderer = AbstractRenderer.extend(WidgetAdapterMixin, {
         // widget's $el
         $node = $node.length ? $node : widget.$el;
         $node.tooltip(this._getTooltipOptions(widget));
+
+        this.jQueryNodesWithTooltip.push($node);
     },
     /**
      * Does the necessary DOM updates to match the given modifiers data. The