diff --git a/nixos/modules/services/system/nscd.conf b/nixos/modules/services/system/nscd.conf
index b294e933918..bd802bd3c2e 100644
--- a/nixos/modules/services/system/nscd.conf
+++ b/nixos/modules/services/system/nscd.conf
@@ -6,46 +6,28 @@
 # fallback to trying to handle the request by itself. Which won't work as glibc
 # is not aware of the path in which the nss modules live.  As a workaround, we
 # have `enable-cache yes` with an explicit ttl of 0
-threads                 1
-paranoia                no
-debug-level             0
 
 enable-cache            passwd          yes
 positive-time-to-live   passwd          0
 negative-time-to-live   passwd          0
-suggested-size          passwd          211
-check-files             passwd          yes
-persistent              passwd          no
 shared                  passwd          yes
 
 enable-cache            group           yes
 positive-time-to-live   group           0
 negative-time-to-live   group           0
-suggested-size          group           211
-check-files             group           yes
-persistent              group           no
 shared                  group           yes
 
 enable-cache            netgroup        yes
 positive-time-to-live   netgroup        0
 negative-time-to-live   netgroup        0
-suggested-size          netgroup        211
-check-files             netgroup        yes
-persistent              netgroup        no
 shared                  netgroup        yes
 
 enable-cache            hosts           yes
 positive-time-to-live   hosts           600
 negative-time-to-live   hosts           0
-suggested-size          hosts           211
-check-files             hosts           yes
-persistent              hosts           no
 shared                  hosts           yes
 
 enable-cache            services        yes
 positive-time-to-live   services        0
 negative-time-to-live   services        0
-suggested-size          services        211
-check-files             services        yes
-persistent              services        no
 shared                  services        yes