diff --git a/packages/edit-post/src/components/layout/style.scss b/packages/edit-post/src/components/layout/style.scss
index 5072c9d82c90f..1c2f47a79d487 100644
--- a/packages/edit-post/src/components/layout/style.scss
+++ b/packages/edit-post/src/components/layout/style.scss
@@ -14,13 +14,13 @@
 
 .is-distraction-free {
 	.components-editor-notices__snackbar {
-		bottom: calc(#{$grid-unit-50} / 2);
+		bottom: math.div($grid-unit-50, 2);
 	}
 }
 
 .has-secondary-sidebar {
 	.components-editor-notices__snackbar {
-		padding-left: calc(#{$grid-unit-20} + #{$nav-sidebar-width});
+		padding-left: $grid-unit-20 + $nav-sidebar-width;
 	}
 }
 
diff --git a/packages/edit-site/src/components/editor/style.scss b/packages/edit-site/src/components/editor/style.scss
index f0eaf922b8884..eff9d81574673 100644
--- a/packages/edit-site/src/components/editor/style.scss
+++ b/packages/edit-site/src/components/editor/style.scss
@@ -26,7 +26,7 @@
 
 	@include break-medium {
 		.has-secondary-sidebar .components-editor-notices__snackbar {
-			padding-left: calc(#{$grid-unit-20} + #{$nav-sidebar-width});
+			padding-left: $grid-unit-20 + $nav-sidebar-width;
 		}
 	}
 }