diff --git a/a1/divisible9.cases b/a1/divisible9.cases
index 2134490..cb48143 100644
--- a/a1/divisible9.cases
+++ b/a1/divisible9.cases
@@ -29,22 +29,4 @@ no
 no
 
 -19
-no
-
-999999999
-yes
-
-1000000000
-no
-
--999999999
-yes
-
--1000000000
-no
-
-2147483647
-no
-
--2147483648
 no
\ No newline at end of file