diff --git a/packages/block-library/src/latest-comments/style.scss b/packages/block-library/src/latest-comments/style.scss
index 61c6aea843a742..14d3d67eae5edb 100644
--- a/packages/block-library/src/latest-comments/style.scss
+++ b/packages/block-library/src/latest-comments/style.scss
@@ -1,4 +1,15 @@
+// Lower specificity - target list element.
 ol.wp-block-latest-comments {
+	// Removes left spacing in Customizer Widgets screen.
+	// Due to low specificity this will be safely overriden
+	// by default wp-block layout styles in the Post/Site editor
+	margin-left: 0;
+}
+
+// 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;
 }
 
diff --git a/packages/block-library/src/latest-posts/style.scss b/packages/block-library/src/latest-posts/style.scss
index b52fb34cb26f48..2df097b3fc9907 100644
--- a/packages/block-library/src/latest-posts/style.scss
+++ b/packages/block-library/src/latest-posts/style.scss
@@ -9,11 +9,13 @@
 	}
 	&.wp-block-latest-posts__list {
 		list-style: none;
+		padding-left: 0;
 
 		li {
 			clear: both;
 		}
 	}
+
 	&.is-grid {
 		display: flex;
 		flex-wrap: wrap;