diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 73747ac197748d6deb1649f0b59b4b1aad1d7051..e2d3ca445ef57388f848f79174135757f34f7c36 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -243,10 +243,6 @@ static int __init mode_tt_setup(char *line, int *add)
 	return(0);
 }
 
-#else
-
-#error Either CONFIG_MODE_TT or CONFIG_MODE_SKAS must be enabled
-
 #endif
 #endif
 #endif