diff --git a/manifests/dpdk.pp b/manifests/dpdk.pp
index e691662f..e3f5e93c 100644
--- a/manifests/dpdk.pp
+++ b/manifests/dpdk.pp
@@ -106,7 +106,7 @@ class vswitch::dpdk (
   String[1] $package_name,
   String[1] $service_name,
   String $package_ensure                                                          = 'present',
-  Optional[Variant[Integer[0], String]] $memory_channels                          = undef,
+  Optional[Integer[0]] $memory_channels                                           = undef,
   Optional[String] $host_core_list                                                = undef,
   Optional[String] $pmd_core_list                                                 = undef,
   Optional[Variant[String, Integer, Array[String], Array[Integer]]] $socket_mem   = undef,
@@ -140,16 +140,9 @@ class vswitch::dpdk (
   $pmd_core_mask = range_to_mask($pmd_core_list)
   $dpdk_lcore_mask = range_to_mask($host_core_list)
 
-  if $memory_channels =~ String {
-    warning('Support for string by memory_channels is deprecated. Use integer instead')
-  }
   $memory_channels_conf = $memory_channels ? {
-    String  => empty($memory_channels) ? {
-      true    => undef,
-      default => "-n ${memory_channels}",
-    },
-    Integer => "-n ${memory_channels}",
-    default => undef,
+    undef   => undef,
+    default => "-n ${memory_channels}",
   }
 
   $dpdk_configs = {
diff --git a/releasenotes/notes/dpdk-memory-channels-integer-3362fc25794b170a.yaml b/releasenotes/notes/dpdk-memory-channels-integer-3362fc25794b170a.yaml
new file mode 100644
index 00000000..b7fbed5b
--- /dev/null
+++ b/releasenotes/notes/dpdk-memory-channels-integer-3362fc25794b170a.yaml
@@ -0,0 +1,5 @@
+---
+upgrade:
+  - |
+    The ``vswitch::dpdk::memory_channels`` parmeter now requires an integer
+    value.