diff --git a/src/bandbi.c b/src/bandbi.c
index 96f65b4..0a85a92 100644
--- a/src/bandbi.c
+++ b/src/bandbi.c
@@ -82,7 +82,6 @@ start_bandb(void)
 	const char *suffix = "";
 #endif
 
-	rb_setenv("BANDB_DBPATH", PKGLOCALSTATEDIR "/ban.db", 1);
 	if(bandb_path == NULL)
 	{
 		rb_snprintf(fullpath, sizeof(fullpath), "%s/bandb%s", PKGLIBEXECDIR, suffix);