diff --git a/src/lib/core/overlay/position/relative-position-strategy.ts b/src/lib/core/overlay/position/relative-position-strategy.ts
deleted file mode 100644
index 2223db870b2..00000000000
--- a/src/lib/core/overlay/position/relative-position-strategy.ts
+++ /dev/null
@@ -1,16 +0,0 @@
-import {PositionStrategy} from './position-strategy';
-import {ElementRef} from '@angular/core';
-
-/** @docs-private */
-export class RelativePositionStrategy implements PositionStrategy {
-  constructor(private _relativeTo: ElementRef) { }
-
-  apply(element: Element): Promise<void> {
-    // Not yet implemented.
-    return null;
-  }
-
-  dispose() {
-    // Not yet implemented.
-  }
-}