diff --git a/components/lib/datatable/DataTable.vue b/components/lib/datatable/DataTable.vue
index 016a90ae5..4333a0c0e 100755
--- a/components/lib/datatable/DataTable.vue
+++ b/components/lib/datatable/DataTable.vue
@@ -1281,7 +1281,7 @@ export default {
 
             this.$refs.resizeHelper.style.display = 'none';
             this.resizeColumn = null;
-            this.$el.setAttribute('data-p-unselectable-text', 'true');
+            this.$el.removeAttribute('data-p-unselectable-text');
             !this.isUnstyled && DomHandler.removeClass(this.$el, 'p-unselectable-text');
 
             this.unbindColumnResizeEvents();
diff --git a/components/lib/dialog/Dialog.vue b/components/lib/dialog/Dialog.vue
index 33b853c94..e66eed02f 100755
--- a/components/lib/dialog/Dialog.vue
+++ b/components/lib/dialog/Dialog.vue
@@ -293,6 +293,7 @@ export default {
                 this.lastPageY = event.pageY;
 
                 this.container.style.margin = '0';
+                document.body.setAttribute('data-p-unselectable-text');
                 !this.isUnstyled && DomHandler.addClass(document.body, 'p-unselectable-text');
             }
         },
@@ -359,6 +360,7 @@ export default {
             this.documentDragEndListener = (event) => {
                 if (this.dragging) {
                     this.dragging = false;
+                    document.body.removeAttribute('data-p-unselectable-text');
                     !this.isUnstyled && DomHandler.removeClass(document.body, 'p-unselectable-text');
 
                     this.$emit('dragend', event);
diff --git a/components/lib/treetable/TreeTable.vue b/components/lib/treetable/TreeTable.vue
index 014c4c74c..6a621e374 100755
--- a/components/lib/treetable/TreeTable.vue
+++ b/components/lib/treetable/TreeTable.vue
@@ -673,7 +673,7 @@ export default {
 
             this.$refs.resizeHelper.style.display = 'none';
             this.resizeColumn = null;
-            this.$el.setAttribute('data-p-unselectable-text', 'false');
+            this.$el.removeAttribute('data-p-unselectable-text');
             !this.isUnstyled && DomHandler.removeClass(this.$el, 'p-unselectable-text');
 
             this.unbindColumnResizeEvents();