diff --git a/bangundatar/BangunDatar.java b/bangundatar/BangunDatar.java
deleted file mode 100644
index 33d35a6..0000000
--- a/bangundatar/BangunDatar.java
+++ /dev/null
@@ -1,6 +0,0 @@
-package bangundatar;
-
-public interface BangunDatar {
-    public double luas(int s1, int s2);
-    public double keliling(int s1, int s2);
-}