diff --git a/packages/core/src/style.ts b/packages/core/src/style.ts
index 8e3052b1b6b..dbc92aeecad 100644
--- a/packages/core/src/style.ts
+++ b/packages/core/src/style.ts
@@ -27,8 +27,8 @@ img.ProseMirror-separator {
   display: inline !important;
   border: none !important;
   margin: 0 !important;
-  width: 1px !important;
-  height: 1px !important;
+  width: 0 !important;
+  height: 0 !important;
 }
 
 .ProseMirror-gapcursor {