diff --git a/.changeset/chilly-wasps-sip.md b/.changeset/chilly-wasps-sip.md
new file mode 100644
index 0000000000..a313d39dd5
--- /dev/null
+++ b/.changeset/chilly-wasps-sip.md
@@ -0,0 +1,5 @@
+---
+"@primer/view-components": patch
+---
+
+Remove external classes from the the button content `<span>` in `Primer::beta::Button`
diff --git a/app/components/primer/beta/button.rb b/app/components/primer/beta/button.rb
index 30e10cf74c..cb2dc13bd6 100644
--- a/app/components/primer/beta/button.rb
+++ b/app/components/primer/beta/button.rb
@@ -154,7 +154,6 @@ def initialize(
 
         @align_content_classes = class_names(
           "Button-content",
-          system_arguments[:classes],
           ALIGN_CONTENT_MAPPINGS[fetch_or_fallback(ALIGN_CONTENT_OPTIONS, align_content, DEFAULT_ALIGN_CONTENT)]
         )