diff --git a/board/sunxi/Kconfig b/board/sunxi/Kconfig
index b06b5e0..24cca47 100644
--- a/board/sunxi/Kconfig
+++ b/board/sunxi/Kconfig
@@ -1,17 +1,5 @@
 if TARGET_SUN4I
 
-config SYS_CPU
-	string
-	default "armv7"
-
-config SYS_BOARD
-	string
-	default "sunxi"
-
-config SYS_SOC
-	string
-	default "sunxi"
-
 config SYS_CONFIG_NAME
 	string
 	default "sun4i"
@@ -20,25 +8,21 @@
 
 if TARGET_SUN5I
 
-config SYS_CPU
+config SYS_CONFIG_NAME
 	string
-	default "armv7"
+	default "sun5i"
 
-config SYS_BOARD
-	string
-	default "sunxi"
+endif
 
-config SYS_SOC
-	string
-	default "sunxi"
+if TARGET_SUN7I
 
 config SYS_CONFIG_NAME
 	string
-	default "sun5i"
+	default "sun7i"
 
 endif
 
-if TARGET_SUN7I
+if TARGET_SUN4I || TARGET_SUN5I || TARGET_SUN7I
 
 config SYS_CPU
 	string
@@ -52,8 +36,4 @@
 	string
 	default "sunxi"
 
-config SYS_CONFIG_NAME
-	string
-	default "sun7i"
-
 endif