diff --git a/src/runtime-rs/config/configuration-rs-fc.toml.in b/src/runtime-rs/config/configuration-rs-fc.toml.in
index 09899dc4b4..be3a4efd5e 100644
--- a/src/runtime-rs/config/configuration-rs-fc.toml.in
+++ b/src/runtime-rs/config/configuration-rs-fc.toml.in
@@ -121,11 +121,6 @@ block_device_driver = "@DEFBLOCKSTORAGEDRIVER_FC@"
 # Default false
 #block_device_cache_set = true
 
-# Specifies cache-related options for block devices.
-# Denotes whether use of O_DIRECT (bypass the host page cache) is enabled.
-# Default false
-#block_device_cache_direct = true
-
 # Specifies cache-related options for block devices.
 # Denotes whether flush requests for the device are ignored.
 # Default false