diff --git a/src/devtools/views/Components/Tree.css b/src/devtools/views/Components/Tree.css
index c526dd93ce..777e332ba7 100644
--- a/src/devtools/views/Components/Tree.css
+++ b/src/devtools/views/Components/Tree.css
@@ -24,10 +24,6 @@
   font-family: var(--font-family-monospace);
   font-size: var(--font-size-monospace-normal);
   line-height: var(--line-height-data);
-  border: 0.25rem solid transparent;
-}
-.List:focus-within {
-  border-color: var(--color-button-background-focus);
 }
 
 .InnerElementType:focus {