diff --git a/web/styles/compose.css b/web/styles/compose.css
index ec97d93670..5792350b8c 100644
--- a/web/styles/compose.css
+++ b/web/styles/compose.css
@@ -1315,6 +1315,9 @@ textarea.new_message_textarea {
         height: 1.2727em;
         /* 30px at 22px/1em */
         width: 1.3636em;
+        /* Adhere to the width of formatting buttons,
+           despite flexbox context. */
+        flex: 0 0 auto;
         display: flex;
         align-items: center;
         justify-content: center;
@@ -1377,18 +1380,6 @@ textarea.new_message_textarea {
         position: relative;
         top: 0.7px;
     }
-
-    .compose_help_button {
-        /* 20px at 16px/1em */
-        font-size: 1.25em;
-        /* 32px at 20px/1em */
-        height: 1.6em;
-        /* 34.2833 at 20px/1em */
-        width: 1.7142em;
-        /* Adhere to the width of this button,
-           despite flexbox context. */
-        flex: 0 0 auto;
-    }
 }
 
 .less-dense-mode {