diff --git a/manifests/repo.pp b/manifests/repo.pp
index 4a767456..41b88b01 100644
--- a/manifests/repo.pp
+++ b/manifests/repo.pp
@@ -18,19 +18,9 @@
   String[1]                 $zabbix_version            = $zabbix::params::zabbix_version,
 ) inherits zabbix::params {
   if $manage_repo {
-    case $facts['os']['name'] {
-      'PSBM': {
-        $majorrelease = '6'
-      }
-      'Amazon': {
-        $majorrelease = '6'
-      }
-      default: {
-        $majorrelease = $facts['os']['release']['major']
-      }
-    }
     case $facts['os']['family'] {
       'RedHat': {
+        $majorrelease = $facts['os']['release']['major']
         if (versioncmp(fact('os.release.major'), '7') >= 0 and $zabbix_version == '7.0') {
           $gpgkey_zabbix = 'https://repo.zabbix.com/RPM-GPG-KEY-ZABBIX-B5333005'
           $gpgkey_nonsupported = 'https://repo.zabbix.com/RPM-GPG-KEY-ZABBIX-B5333005'
diff --git a/metadata.json b/metadata.json
index a6826267..dd7f3905 100644
--- a/metadata.json
+++ b/metadata.json
@@ -64,13 +64,6 @@
         "9"
       ]
     },
-    {
-      "operatingsystem": "Amazon",
-      "operatingsystemrelease": [
-        "7",
-        "8"
-      ]
-    },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [