diff --git a/src/lib/tree/tree.scss b/src/lib/tree/tree.scss
index fc3d1231bd3..cb6322cfdc9 100644
--- a/src/lib/tree/tree.scss
+++ b/src/lib/tree/tree.scss
@@ -1,5 +1,4 @@
 $mat-node-height: 48px;
-$mat-node-horizontal-padding: 24px;
 
 .mat-tree {
   display: block;
@@ -9,7 +8,6 @@ $mat-node-horizontal-padding: 24px;
   display: flex;
   align-items: center;
   min-height: $mat-node-height;
-  padding: 0 $mat-node-horizontal-padding;
   flex: 1;
   overflow: hidden;
   word-wrap: break-word;