diff --git a/sh/tests/solutions/concat_string.py b/sh/tests/solutions/concat_string.py
deleted file mode 100644
index 6d7713046..000000000
--- a/sh/tests/solutions/concat_string.py
+++ /dev/null
@@ -1,2 +0,0 @@
-def concat(string1, string2):
-    return string1 + ", " + string2