diff --git a/sysdeps/linux/defconfig b/sysdeps/linux/defconfig
index cc11c2750..c1c43cee5 100644
--- a/sysdeps/linux/defconfig
+++ b/sysdeps/linux/defconfig
@@ -113,8 +113,6 @@ CONFIG_RMDIR=y
 CONFIG_SLEEP=y
 # CONFIG_FEATURE_FANCY_SLEEP is not set
 CONFIG_SORT=y
-# CONFIG_FEATURE_SORT_REVERSE is not set
-# CONFIG_FEATURE_SORT_UNIQUE is not set
 # CONFIG_STTY is not set
 CONFIG_SYNC=y
 CONFIG_TAIL=y
@@ -184,7 +182,6 @@ CONFIG_WHICH=y
 # CONFIG_AWK is not set
 # CONFIG_PATCH is not set
 CONFIG_SED=y
-# CONFIG_FEATURE_SED_EMBEDED_NEWLINE is not set
 # CONFIG_VI is not set
 
 #