diff --git a/manifests/init.pp b/manifests/init.pp
index 2de40676..e3f7e885 100644
--- a/manifests/init.pp
+++ b/manifests/init.pp
@@ -209,14 +209,6 @@
 #   Defaults to 'Member'
 #
 # DEPREACTED PARAMETERS
-#  [*tenant_name*]
-#   Defaults to undef
-#  [*alt_tenant_name*]
-#   Defaults to undef
-#  [*admin_tenant_name*]
-#   Defaults to undef
-#  [*allow_tenant_isolation*]
-#   Defaults to undef
 #  [*neutron_fwaas_available*]
 #   Just for backwards compatibility, it actually does nothing as fwaas plugin
 #   is integrated in neutron tempest plugin.
@@ -360,10 +352,6 @@ class tempest(
   # ec2api options
   $ec2api_tester_roles              = ['Member'],
   # DEPRECATED PARAMETERS
-  $tenant_name                      = undef,
-  $alt_tenant_name                  = undef,
-  $admin_tenant_name                = undef,
-  $allow_tenant_isolation           = undef,
   $neutron_fwaas_available          = undef,
   $congress_available               = undef,
   $img_dir                          = undef,
@@ -377,38 +365,6 @@ class tempest(
     $tempest_roles_real = $::os_service_default
   }
 
-  if $tenant_name {
-    warning('The tempest::tenant_name parameter is deprecated, use tempest::project_name instead.')
-    $project_name_real = $tenant_name
-  }
-  else {
-    $project_name_real = $project_name
-  }
-
-  if $alt_tenant_name {
-    warning('The tempest::alt_tenant_name parameter is deprecated, use tempest::alt_project_name instead.')
-    $alt_project_name_real = $alt_tenant_name
-  }
-  else {
-    $alt_project_name_real = $alt_project_name
-  }
-
-  if $admin_tenant_name {
-    warning('The tempest::admin_tenant_name parameter is deprecated, use tempest::admin_project_name instead.')
-    $admin_project_name_real = $admin_tenant_name
-  }
-  else {
-    $admin_project_name_real = $admin_project_name
-  }
-
-  if $allow_tenant_isolation {
-    warning('The tempest::allow_tenant_isolation parameter is deprecated, use tempest::use_dynamic_credentials instead.')
-    $use_dynamic_credentials_real = $allow_tenant_isolation
-  }
-  else {
-    $use_dynamic_credentials_real = $use_dynamic_credentials
-  }
-
   if $neutron_fwaas_available {
     warning('The tempest::neutron_fwaas_available parameter is deprecated. FWaaS plugin is now part of neutron plugin.')
   }
@@ -532,10 +488,10 @@ class tempest(
   tempest_config {
     'auth/admin_domain_name':                          value => $admin_domain_name;
     'auth/admin_password':                             value => $admin_password, secret => true;
-    'auth/admin_project_name':                         value => $admin_project_name_real;
+    'auth/admin_project_name':                         value => $admin_project_name;
     'auth/admin_username':                             value => $admin_username;
     'auth/tempest_roles':                              value => $tempest_roles_real;
-    'auth/use_dynamic_credentials':                    value => $use_dynamic_credentials_real;
+    'auth/use_dynamic_credentials':                    value => $use_dynamic_credentials;
     'compute/change_password_available':               value => $change_password_available;
     'compute/flavor_ref':                              value => $flavor_ref;
     'compute/flavor_ref_alt':                          value => $flavor_ref_alt;
@@ -547,10 +503,10 @@ class tempest(
     'validation/run_validation':                       value => $run_ssh;
     'identity/admin_role':                             value => $admin_role;
     'identity/alt_password':                           value => $alt_password, secret => true;
-    'identity/alt_project_name':                       value => $alt_project_name_real;
+    'identity/alt_project_name':                       value => $alt_project_name;
     'identity/alt_username':                           value => $alt_username;
     'identity/password':                               value => $password, secret => true;
-    'identity/project_name':                           value => $project_name_real;
+    'identity/project_name':                           value => $project_name;
     'identity/uri':                                    value => $identity_uri;
     'identity/uri_v3':                                 value => $identity_uri_v3;
     'identity/username':                               value => $username;
diff --git a/releasenotes/notes/cleanup-auth-params-036d1d13b60e34ad.yaml b/releasenotes/notes/cleanup-auth-params-036d1d13b60e34ad.yaml
new file mode 100644
index 00000000..ed3cf3f5
--- /dev/null
+++ b/releasenotes/notes/cleanup-auth-params-036d1d13b60e34ad.yaml
@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    The following parameters of the ``tempest`` class has been removed.
+
+    - ``tenant_name``
+    - ``alt_tenant_name``
+    - ``admin_tenant_name``
+    - ``allow_tenant_isolation``