diff --git a/manifests/keystone/authtoken.pp b/manifests/keystone/authtoken.pp
index 0d7cbdb..1d54173 100644
--- a/manifests/keystone/authtoken.pp
+++ b/manifests/keystone/authtoken.pp
@@ -174,10 +174,6 @@
 #   reduce performance. Only valid for PKI tokens. Integer value
 #   Defaults to $::os_service_default.
 #
-# [*signing_dir*]
-#   (Optional) Directory used to cache files related to PKI tokens.
-#   Defaults to $::os_service_default.
-#
 # [*token_cache_time*]
 #   (Optional) In order to prevent excessive effort spent validating tokens,
 #   the middleware caches previously-seen tokens for a configurable duration
@@ -218,7 +214,6 @@ class ec2api::keystone::authtoken(
   $memcached_servers              = $::os_service_default,
   $region_name                    = $::os_service_default,
   $revocation_cache_time          = $::os_service_default,
-  $signing_dir                    = $::os_service_default,
   $token_cache_time               = $::os_service_default,
 ) {
 
@@ -258,7 +253,6 @@ class ec2api::keystone::authtoken(
     memcached_servers              => $memcached_servers,
     region_name                    => $region_name,
     revocation_cache_time          => $revocation_cache_time,
-    signing_dir                    => $signing_dir,
     token_cache_time               => $token_cache_time,
   }
 }
diff --git a/spec/classes/ec2api_keystone_authtoken_spec.rb b/spec/classes/ec2api_keystone_authtoken_spec.rb
index 6e363ae..a2ad33b 100644
--- a/spec/classes/ec2api_keystone_authtoken_spec.rb
+++ b/spec/classes/ec2api_keystone_authtoken_spec.rb
@@ -48,7 +48,6 @@ describe 'ec2api::keystone::authtoken' do
         is_expected.to contain_ec2api_config('keystone_authtoken/memcached_servers').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_ec2api_config('keystone_authtoken/region_name').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_ec2api_config('keystone_authtoken/revocation_cache_time').with_value('<SERVICE DEFAULT>')
-        is_expected.to contain_ec2api_config('keystone_authtoken/signing_dir').with_value('<SERVICE DEFAULT>')
         is_expected.to contain_ec2api_config('keystone_authtoken/token_cache_time').with_value('<SERVICE DEFAULT>')
       end
     end
@@ -91,7 +90,6 @@ describe 'ec2api::keystone::authtoken' do
 ['memcached01:11211','memcached02:11211'],
           :region_name                          => 'region2',
           :revocation_cache_time                => '11',
-          :signing_dir                          => '/var/cache',
           :token_cache_time                     => '301',
         })
       end
@@ -130,7 +128,6 @@ describe 'ec2api::keystone::authtoken' do
         is_expected.to contain_ec2api_config('keystone_authtoken/memcached_servers').with_value('memcached01:11211,memcached02:11211')
         is_expected.to contain_ec2api_config('keystone_authtoken/region_name').with_value(params[:region_name])
         is_expected.to contain_ec2api_config('keystone_authtoken/revocation_cache_time').with_value(params[:revocation_cache_time])
-        is_expected.to contain_ec2api_config('keystone_authtoken/signing_dir').with_value(params[:signing_dir])
         is_expected.to contain_ec2api_config('keystone_authtoken/token_cache_time').with_value(params[:token_cache_time])
       end
     end