diff --git a/app/src/assets/scss/component/_typography.scss b/app/src/assets/scss/component/_typography.scss
index d8fcd9e10..ed7ec3fbc 100644
--- a/app/src/assets/scss/component/_typography.scss
+++ b/app/src/assets/scss/component/_typography.scss
@@ -441,7 +441,6 @@
   [data-subtype="mindmap"] {
     z-index: 1;
     height: 420px;
-    box-sizing: border-box;
 
     & > div:not(.protyle-icons):not(.protyle-attr) {
       overflow: hidden;