diff --git a/packages/notebook/src/browser/style/index.css b/packages/notebook/src/browser/style/index.css
index 4d0ef1340d27b..9f1733a3fb3b6 100644
--- a/packages/notebook/src/browser/style/index.css
+++ b/packages/notebook/src/browser/style/index.css
@@ -143,7 +143,6 @@
 }
 
 .theia-notebook-code-cell-execution-order {
-  height: 35px;
   display: block;
   font-family: var(--monaco-monospace-font);
   font-size: 10px;