diff --git a/core/modules/aggregator/aggregator.theme-rtl.css b/core/modules/aggregator/aggregator.theme-rtl.css
deleted file mode 100644
index 4c7767de01e2..000000000000
--- a/core/modules/aggregator/aggregator.theme-rtl.css
+++ /dev/null
@@ -1,7 +0,0 @@
-/**
- * Right-to-Left styles for theme in the Aggregator module.
- */
-
-.aggregator .feed-icon {
-  float: left;
-}
diff --git a/core/modules/aggregator/aggregator.theme.css b/core/modules/aggregator/aggregator.theme.css
deleted file mode 100644
index 2c5e612eb536..000000000000
--- a/core/modules/aggregator/aggregator.theme.css
+++ /dev/null
@@ -1,8 +0,0 @@
-/**
- * Styles for theme in the Aggregator module.
- */
-
-.aggregator .feed-icon {
-  float: right; /* LTR */
-  display: block;
-}