diff --git a/nixos/modules/services/backup/almir.nix b/nixos/modules/services/backup/almir.nix
index ec39a997028a..fbb4ff4034f1 100644
--- a/nixos/modules/services/backup/almir.nix
+++ b/nixos/modules/services/backup/almir.nix
@@ -95,7 +95,7 @@ in {
 
       port = mkOption {
         default = 35000;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           Port for Almir web server to listen on.
         '';
diff --git a/nixos/modules/services/backup/bacula.nix b/nixos/modules/services/backup/bacula.nix
index c2255f688181..9e3ae66f808b 100644
--- a/nixos/modules/services/backup/bacula.nix
+++ b/nixos/modules/services/backup/bacula.nix
@@ -182,7 +182,7 @@ in {
  
       port = mkOption {
         default = 9102;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
         	This specifies the port number on which the Client listens for Director connections. It must agree with the FDPort specified in the Client resource of the Director's configuration file. The default is 9102.
         '';
@@ -237,7 +237,7 @@ in {
  
       port = mkOption {
         default = 9103;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           Specifies port number on which the Storage daemon listens for Director connections. The default is 9103.
         '';
@@ -302,7 +302,7 @@ in {
  
       port = mkOption {
         default = 9101;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           Specify the port (a positive integer) on which the Director daemon will listen for Bacula Console connections. This same port number must be specified in the Director resource of the Console configuration file. The default is 9101, so normally this directive need not be specified. This directive should not be used if you specify DirAddresses (N.B plural) directive.
         '';
diff --git a/nixos/modules/services/continuous-integration/jenkins/default.nix b/nixos/modules/services/continuous-integration/jenkins/default.nix
index 29a81f066ab9..ccea85faa3e2 100644
--- a/nixos/modules/services/continuous-integration/jenkins/default.nix
+++ b/nixos/modules/services/continuous-integration/jenkins/default.nix
@@ -50,7 +50,7 @@ in {
 
       port = mkOption {
         default = 8080;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           Specifies port number on which the jenkins HTTP interface listens. The default is 8080.
         '';
diff --git a/nixos/modules/services/misc/gpsd.nix b/nixos/modules/services/misc/gpsd.nix
index 4a677f33fa0c..a4a4c7b5d937 100644
--- a/nixos/modules/services/misc/gpsd.nix
+++ b/nixos/modules/services/misc/gpsd.nix
@@ -54,7 +54,7 @@ in
       };
 
       port = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 2947;
         description = ''
           The port where to listen for TCP connections.
@@ -62,7 +62,7 @@ in
       };
 
       debugLevel = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 0;
         description = ''
           The debugging level.
diff --git a/nixos/modules/services/monitoring/statsd.nix b/nixos/modules/services/monitoring/statsd.nix
index 10ce5a4ce4cc..d9e0b83e2389 100644
--- a/nixos/modules/services/monitoring/statsd.nix
+++ b/nixos/modules/services/monitoring/statsd.nix
@@ -49,7 +49,7 @@ in
     port = mkOption {
       description = "Port that stats listens for messages on over UDP";
       default = 8125;
-      type = types.uniq types.int;
+      type = types.int;
     };
 
     mgmt_address = mkOption {
@@ -61,7 +61,7 @@ in
     mgmt_port = mkOption {
       description = "Port to run the management TCP interface on";
       default = 8126;
-      type = types.uniq types.int;
+      type = types.int;
     };
 
     backends = mkOption {
diff --git a/nixos/modules/services/monitoring/ups.nix b/nixos/modules/services/monitoring/ups.nix
index cc9026f768a8..98817f22f5de 100644
--- a/nixos/modules/services/monitoring/ups.nix
+++ b/nixos/modules/services/monitoring/ups.nix
@@ -32,7 +32,7 @@ let
 
       shutdownOrder = mkOption {
         default = 0;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           When you have multiple UPSes on your system, you usually need to
           turn them off in a certain order.  upsdrvctl shuts down all the
@@ -151,7 +151,7 @@ in
 
       maxStartDelay = mkOption {
         default = 45;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           This can be set as a global variable above your first UPS
           definition and it can also be set in a UPS section.  This value
diff --git a/nixos/modules/services/networking/freenet.nix b/nixos/modules/services/networking/freenet.nix
index b069526c768a..3903a2c708cb 100644
--- a/nixos/modules/services/networking/freenet.nix
+++ b/nixos/modules/services/networking/freenet.nix
@@ -26,7 +26,7 @@ in
       };
 
       nice = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 10;
         description = "Set the nice level for the Freenet daemon";
       };
diff --git a/nixos/modules/services/networking/kippo.nix b/nixos/modules/services/networking/kippo.nix
index 3412d02862bd..68f26eefe27e 100644
--- a/nixos/modules/services/networking/kippo.nix
+++ b/nixos/modules/services/networking/kippo.nix
@@ -21,7 +21,7 @@ rec {
       };
       port = mkOption {
         default = 2222;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''TCP port number for kippo to bind to.'';
       };
       hostname = mkOption {
diff --git a/nixos/modules/services/networking/notbit.nix b/nixos/modules/services/networking/notbit.nix
index 8aaccebccde7..a96e181cb808 100644
--- a/nixos/modules/services/networking/notbit.nix
+++ b/nixos/modules/services/networking/notbit.nix
@@ -39,13 +39,13 @@ with lib;
       };
 
       port = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 8444;
         description = "The port which the daemon listens for other bitmessage clients";
       };
 
       nice = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 10;
         description = "Set the nice level for the notbit daemon";
       };
diff --git a/nixos/modules/services/networking/ntopng.nix b/nixos/modules/services/networking/ntopng.nix
index ab86f1a5b2b4..c15257117137 100644
--- a/nixos/modules/services/networking/ntopng.nix
+++ b/nixos/modules/services/networking/ntopng.nix
@@ -57,7 +57,7 @@ in
 
       http-port = mkOption {
         default = 3000;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           Sets the HTTP port of the embedded web server.
         '';
diff --git a/nixos/modules/services/torrent/transmission.nix b/nixos/modules/services/torrent/transmission.nix
index 44cd6216f5c5..cf548bc696ca 100644
--- a/nixos/modules/services/torrent/transmission.nix
+++ b/nixos/modules/services/torrent/transmission.nix
@@ -66,7 +66,7 @@ in
       };
 
       port = mkOption {
-        type = types.uniq types.int;
+        type = types.int;
         default = 9091;
         description = "TCP port number to run the RPC/web interface.";
       };
diff --git a/nixos/modules/services/web-servers/lighttpd/default.nix b/nixos/modules/services/web-servers/lighttpd/default.nix
index 490df268e8f1..2c662c0aead9 100644
--- a/nixos/modules/services/web-servers/lighttpd/default.nix
+++ b/nixos/modules/services/web-servers/lighttpd/default.nix
@@ -130,7 +130,7 @@ in
 
       port = mkOption {
         default = 80;
-        type = types.uniq types.int;
+        type = types.int;
         description = ''
           TCP port number for lighttpd to bind to.
         '';
diff --git a/nixos/modules/services/x11/redshift.nix b/nixos/modules/services/x11/redshift.nix
index 4ccb9153526c..99d19f6ab151 100644
--- a/nixos/modules/services/x11/redshift.nix
+++ b/nixos/modules/services/x11/redshift.nix
@@ -26,12 +26,12 @@ in {
       day = mkOption {
         description = "Colour temperature to use during day time";
         default = 5500;
-        type = types.uniq types.int;
+        type = types.int;
       };
       night = mkOption {
         description = "Colour temperature to use during night time";
         default = 3700;
-        type = types.uniq types.int;
+        type = types.int;
       };
     };
 
diff --git a/nixos/modules/system/boot/systemd.nix b/nixos/modules/system/boot/systemd.nix
index 1fde720bba0d..2ad12c51b218 100644
--- a/nixos/modules/system/boot/systemd.nix
+++ b/nixos/modules/system/boot/systemd.nix
@@ -491,7 +491,7 @@ in
 
     services.journald.rateLimitBurst = mkOption {
       default = 100;
-      type = types.uniq types.int;
+      type = types.int;
       description = ''
         Configures the rate limiting burst limit (number of messages per
         interval) that is applied to all messages generated on the system.