diff --git a/src/lib/expansion/expansion-panel.scss b/src/lib/expansion/expansion-panel.scss
index 5cf16006d90..cbaa59dc7fb 100644
--- a/src/lib/expansion/expansion-panel.scss
+++ b/src/lib/expansion/expansion-panel.scss
@@ -23,6 +23,14 @@
 
 .mat-expansion-panel-spacing {
   margin: 16px 0;
+
+  .mat-accordion &:first-child {
+    margin-top: 0;
+  }
+
+  .mat-accordion &:last-child {
+    margin-bottom: 0;
+  }
 }
 
 .mat-action-row {