diff --git a/app/assets/javascripts/projects/commits/components/author_select.vue b/app/assets/javascripts/projects/commits/components/author_select.vue
index eb514b5c0702f5c0a11560858c404b4e9a0cf02b..a8589b5089988318f66917bf3e25621b83b18107 100644
--- a/app/assets/javascripts/projects/commits/components/author_select.vue
+++ b/app/assets/javascripts/projects/commits/components/author_select.vue
@@ -110,8 +110,8 @@ export default {
     <gl-new-dropdown
       :text="dropdownText"
       :disabled="hasSearchParam"
-      toggle-class="gl-py-3"
-      class="gl-dropdown w-100 mt-2 mt-sm-0"
+      toggle-class="gl-py-3 gl-border-0"
+      class="w-100 mt-2 mt-sm-0"
     >
       <gl-new-dropdown-header>
         {{ __('Search by author') }}
diff --git a/changelogs/unreleased/217743-match-commits-filter-author-button-to-spec.yml b/changelogs/unreleased/217743-match-commits-filter-author-button-to-spec.yml
new file mode 100644
index 0000000000000000000000000000000000000000..c90ceb3190b2eb9739cef6b20a8743d6bd5b88cf
--- /dev/null
+++ b/changelogs/unreleased/217743-match-commits-filter-author-button-to-spec.yml
@@ -0,0 +1,5 @@
+---
+title: Make commits author button confirm to Pajamas specs
+merge_request: 32821
+author:
+type: fixed