diff --git a/manifests/keystone/authtoken.pp b/manifests/keystone/authtoken.pp
index 4ffd23a3..d385ad71 100644
--- a/manifests/keystone/authtoken.pp
+++ b/manifests/keystone/authtoken.pp
@@ -185,12 +185,6 @@
 #   (in seconds). Set to -1 to disable caching completely. Integer value
 #   Defaults to $::os_service_default.
 #
-# DEPRECATED PARAMETERS
-#
-# [*signing_dir*]
-#   (Optional) Directory used to cache files related to PKI tokens.
-#   Defaults to undef
-#
 class heat::keystone::authtoken(
   $password                       = $::os_service_default,
   $username                       = 'heat',
@@ -227,8 +221,6 @@ class heat::keystone::authtoken(
   $region_name                    = $::os_service_default,
   $revocation_cache_time          = $::os_service_default,
   $token_cache_time               = $::os_service_default,
-  # DEPRECATED PARAMETERS
-  $signing_dir                    = undef,
 ) {
 
   include ::heat::deps
@@ -237,10 +229,6 @@ class heat::keystone::authtoken(
     fail('Please set password for heat service user')
   }
 
-  if $signing_dir {
-    warning('signing_dir parameter is deprecated, has no effect and will be removed in the P release.')
-  }
-
   keystone::resource::authtoken { 'heat_config':
     username                       => $username,
     password                       => $password,
diff --git a/releasenotes/notes/remove_deprecated_keystone_signing_dir_option-9ea35421940bc8d6.yaml b/releasenotes/notes/remove_deprecated_keystone_signing_dir_option-9ea35421940bc8d6.yaml
new file mode 100644
index 00000000..30b68c31
--- /dev/null
+++ b/releasenotes/notes/remove_deprecated_keystone_signing_dir_option-9ea35421940bc8d6.yaml
@@ -0,0 +1,3 @@
+---
+upgrade:
+  - Deprecated keystone authtoken signing_dir option is removed in Pike.