diff --git a/.changeset/rich-boxes-crash.md b/.changeset/rich-boxes-crash.md
new file mode 100644
index 0000000000..3929187f1e
--- /dev/null
+++ b/.changeset/rich-boxes-crash.md
@@ -0,0 +1,5 @@
+---
+"@primer/css": patch
+---
+
+ActionList hide the first divider if there's hidden items in front of it.
diff --git a/src/actionlist/action-list-item.scss b/src/actionlist/action-list-item.scss
index 9028f535cd..1b07810316 100644
--- a/src/actionlist/action-list-item.scss
+++ b/src/actionlist/action-list-item.scss
@@ -113,6 +113,11 @@
     }
   }
 
+  // Make sure that the first visible item isn't a divider
+  &[hidden] + .ActionList-sectionDivider {
+    display: none;
+  }
+
   // Autocomplete [aria-selected] items
 
   &[aria-selected='true'] {