diff --git a/contrib/10.regexp/t/test.scm b/contrib/10.regexp/t/test.scm
deleted file mode 100644
index b2a76f49..00000000
--- a/contrib/10.regexp/t/test.scm
+++ /dev/null
@@ -1,11 +0,0 @@
-(import (scheme base)
-        (picrin test)
-        (picrin regexp))
-
-(test #t (regexp? (regexp "simple")))
-(test #f (regexp? "it\\s[s]e+ms\\s(reg)?exp"))
-(test-values '(("abcd") ("b")) (regexp-match (regexp "a(b)cd") "abdacabcd"))
-(test '("a" "b" "c" "d") (regexp-split (regexp ",") "a,b,c,d"))
-(test '("a" "b" "c" "d") (regexp-split (regexp "\.+") "a.b....c.....d"))
-(test "newline tab spase " (regexp-replace (regexp "\\s") " " "newline
-tab	space "))