diff --git a/IPython/nbconvert/templates/html/slides_reveal.tpl b/IPython/nbconvert/templates/html/slides_reveal.tpl
index 245bed6..0fb4b1e 100644
--- a/IPython/nbconvert/templates/html/slides_reveal.tpl
+++ b/IPython/nbconvert/templates/html/slides_reveal.tpl
@@ -110,9 +110,6 @@ html {
 div.input_area {
   padding: 0.06em;
 }
-div.input_area>div.highlight>pre {
-  font-size: 80%;
-}
 div.code_cell {
   background-color: transparent;
 }