diff --git a/04/11.txt b/04/11.txt
deleted file mode 100644
index 9d60796..0000000
--- a/04/11.txt
+++ /dev/null
@@ -1 +0,0 @@
-11
\ No newline at end of file
diff --git a/manifest.json b/manifest.json
index eb552a4..436a9e3 100644
--- a/manifest.json
+++ b/manifest.json
@@ -56,7 +56,6 @@
 		"04-01",
 		"04-04",
 		"04-06",
-		"04-09",
-		"04-11"
+		"04-09"
 	]
 }
\ No newline at end of file