diff --git a/manifests/agents/metadata.pp b/manifests/agents/metadata.pp
index efd398a3f..486c55440 100644
--- a/manifests/agents/metadata.pp
+++ b/manifests/agents/metadata.pp
@@ -76,42 +76,29 @@
 #   in the metadata config.
 #   Defaults to false.
 #
-# DEPRECATED PRAMETERS
-#
-# [*metadata_memory_cache_ttl*]
-#   (optional) Specifies time in seconds a metadata cache entry is valid in
-#   memory caching backend.
-#   Defaults to undef
-#
 class neutron::agents::metadata (
   $shared_secret,
-  $package_ensure            = 'present',
-  Boolean $enabled           = true,
-  Boolean $manage_service    = true,
-  $debug                     = $facts['os_service_default'],
-  $auth_ca_cert              = $facts['os_service_default'],
-  $nova_client_cert          = $facts['os_service_default'],
-  $nova_client_priv_key      = $facts['os_service_default'],
-  $metadata_host             = $facts['os_service_default'],
-  $metadata_port             = $facts['os_service_default'],
-  $metadata_protocol         = $facts['os_service_default'],
-  $metadata_workers          = $facts['os_workers'],
-  $metadata_backlog          = $facts['os_service_default'],
-  $metadata_insecure         = $facts['os_service_default'],
-  $report_interval           = $facts['os_service_default'],
-  $rpc_response_max_timeout  = $facts['os_service_default'],
-  Boolean $purge_config      = false,
-  # DEPRECATED PARAMETERS
-  $metadata_memory_cache_ttl = undef,
+  $package_ensure           = 'present',
+  Boolean $enabled          = true,
+  Boolean $manage_service   = true,
+  $debug                    = $facts['os_service_default'],
+  $auth_ca_cert             = $facts['os_service_default'],
+  $nova_client_cert         = $facts['os_service_default'],
+  $nova_client_priv_key     = $facts['os_service_default'],
+  $metadata_host            = $facts['os_service_default'],
+  $metadata_port            = $facts['os_service_default'],
+  $metadata_protocol        = $facts['os_service_default'],
+  $metadata_workers         = $facts['os_workers'],
+  $metadata_backlog         = $facts['os_service_default'],
+  $metadata_insecure        = $facts['os_service_default'],
+  $report_interval          = $facts['os_service_default'],
+  $rpc_response_max_timeout = $facts['os_service_default'],
+  Boolean $purge_config     = false,
 ) {
 
   include neutron::deps
   include neutron::params
 
-  if $metadata_memory_cache_ttl {
-    warning('The metadata_memory_cache_ttl parameter is deprecated and has no effect.')
-  }
-
   resources { 'neutron_metadata_agent_config':
     purge => $purge_config,
   }
@@ -132,11 +119,6 @@ class neutron::agents::metadata (
     'DEFAULT/rpc_response_max_timeout':       value => $rpc_response_max_timeout;
   }
 
-  # TODO(tkajinam): Remove this after 2024.1 release
-  neutron_metadata_agent_config {
-    'DEFAULT/cache_url': ensure => absent;
-  }
-
   if $::neutron::params::metadata_agent_package {
     package { 'neutron-metadata':
       ensure => $package_ensure,
diff --git a/releasenotes/notes/remove-metadata_memory_cache_ttl-e3682d31d8d27fe9.yaml b/releasenotes/notes/remove-metadata_memory_cache_ttl-e3682d31d8d27fe9.yaml
new file mode 100644
index 000000000..bb4fb80f5
--- /dev/null
+++ b/releasenotes/notes/remove-metadata_memory_cache_ttl-e3682d31d8d27fe9.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``neutron::agents::metadata::metadata_memory_cache_ttl`` parameter has
+    been removed.