diff --git a/meta-ast2400/conf/machine/include/ast2400.inc b/meta-ast2400/conf/machine/include/ast2400.inc
index d67959a..a495f20 100644
--- a/meta-ast2400/conf/machine/include/ast2400.inc
+++ b/meta-ast2400/conf/machine/include/ast2400.inc
@@ -3,7 +3,6 @@
 #@DESCRIPTION: Common machine configuration for the Aspeed AST2400 Chip
 
 PREFERRED_PROVIDER_virtual/kernel ?= "linux-obmc"
-PREFERRED_VERSION_linux-obmc ?= "4.4+git%"
 PREFERRED_VERSION_u-boot ?= "v2016.05+git%"
 PREFERRED_VERSION_u-boot-fw-utils ?= "v2016.05+git%"