diff --git a/packages/block-library/src/latest-comments/editor.scss b/packages/block-library/src/latest-comments/editor.scss
new file mode 100644
index 00000000000000..1435f248350b54
--- /dev/null
+++ b/packages/block-library/src/latest-comments/editor.scss
@@ -0,0 +1,11 @@
+// Higher specificity - target list via wrapper.
+.wp-block-latest-comments .wp-block-latest-comments {
+	// Remove left spacing. Higher specificity required to
+	// override default wp-block layout styles in the Post/Site editor.
+	padding-left: 0;
+	// These styles prevent duplicate borders in the Latest Comments block caused by
+	// server-side rendering injecting additional styles in the editor. They ensure
+	// consistent appearance in the editor while avoiding conflicts with frontend styles.
+	border: none;
+	border-radius: inherit;
+}
diff --git a/packages/block-library/src/latest-comments/style.scss b/packages/block-library/src/latest-comments/style.scss
index 5bb22abf5a5aa8..66682beb8402d3 100644
--- a/packages/block-library/src/latest-comments/style.scss
+++ b/packages/block-library/src/latest-comments/style.scss
@@ -31,16 +31,6 @@ ol.wp-block-latest-comments {
 	}
 }
 
-// Higher specificity - target list via wrapper.
-.wp-block-latest-comments .wp-block-latest-comments {
-	// Remove left spacing. Higher specificity required to
-	// override default wp-block layout styles in the Post/Site editor.
-	padding-left: 0;
-	// The following styles are to prevent duplicate border for the latest comments.
-	border: none;
-	border-radius: inherit;
-}
-
 .wp-block-latest-comments__comment {
 	list-style: none;
 	margin-bottom: 1em;