diff --git a/.changeset/friendly-doors-end.md b/.changeset/friendly-doors-end.md
new file mode 100644
index 0000000000..8b864ed159
--- /dev/null
+++ b/.changeset/friendly-doors-end.md
@@ -0,0 +1,6 @@
+---
+'@commercetools-frontend/application-config': minor
+'@commercetools-backend/express': minor
+---
+
+Remove unsupported cloud identifiers
diff --git a/packages-backend/express/src/auth.ts b/packages-backend/express/src/auth.ts
index 0fd7bbb42e..20ae83bc34 100644
--- a/packages-backend/express/src/auth.ts
+++ b/packages-backend/express/src/auth.ts
@@ -56,24 +56,17 @@ const mapCloudIdentifierToIssuer = <Request extends TBaseRequest>(
 ): string | undefined => {
   switch (issuer) {
     case CLOUD_IDENTIFIERS.GCP_AU:
-      return MC_API_URLS.GCP_AU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_AU];
     case CLOUD_IDENTIFIERS.GCP_EU:
-      return MC_API_URLS.GCP_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_EU];
     case CLOUD_IDENTIFIERS.GCP_US:
-      return MC_API_URLS.GCP_US;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_US];
     case CLOUD_IDENTIFIERS.AWS_EU:
     case CLOUD_IDENTIFIERS.AWS_FRA:
-      return MC_API_URLS.AWS_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.AWS_EU];
     case CLOUD_IDENTIFIERS.AWS_US:
     case CLOUD_IDENTIFIERS.AWS_OHIO:
-      return MC_API_URLS.AWS_US;
-    // TODO: remove it
-    case CLOUD_IDENTIFIERS.AWS_CN:
-      return MC_API_URLS.AWS_CN;
-    case CLOUD_IDENTIFIERS.AZURE_US:
-      return MC_API_URLS.AZURE_US;
-    case CLOUD_IDENTIFIERS.AZURE_EU:
-      return MC_API_URLS.AZURE_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.AWS_US];
     default:
       return undefined;
   }
diff --git a/packages-backend/express/src/constants.ts b/packages-backend/express/src/constants.ts
index f267eb6bfe..40df0a5254 100644
--- a/packages-backend/express/src/constants.ts
+++ b/packages-backend/express/src/constants.ts
@@ -12,34 +12,28 @@ export const CLOUD_IDENTIFIERS = {
    * @deprecated: use `AWS_US` instead
    */
   AWS_OHIO: 'aws-ohio',
-  /**
-   * @deprecated: not supported anymore
-   */
-  AWS_CN: 'aws-cn',
-  AZURE_US: 'azure-us',
-  AZURE_EU: 'azure-eu',
 } as const;
 
 export const MC_API_URLS = {
-  GCP_AU: 'https://mc-api.australia-southeast1.gcp.commercetools.com',
-  GCP_EU: 'https://mc-api.europe-west1.gcp.commercetools.com',
-  GCP_US: 'https://mc-api.us-central1.gcp.commercetools.com',
-  AWS_EU: 'https://mc-api.eu-central-1.aws.commercetools.com',
-  AWS_US: 'https://mc-api.us-east-2.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_AU]:
+    'https://mc-api.australia-southeast1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_EU]:
+    'https://mc-api.europe-west1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_US]:
+    'https://mc-api.us-central1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_EU]:
+    'https://mc-api.eu-central-1.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_US]: 'https://mc-api.us-east-2.aws.commercetools.com',
   /**
    * @deprecated: use `AWS_EU` instead
    */
-  AWS_FRA: 'https://mc-api.eu-central-1.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_FRA]:
+    'https://mc-api.eu-central-1.aws.commercetools.com',
   /**
    * @deprecated: use `AWS_US` instead
    */
-  AWS_OHIO: 'https://mc-api.us-east-2.aws.commercetools.com',
-  /**
-   * @deprecated: not supported anymore
-   */
-  AWS_CN: 'https://mc-api.cn-northwest-1.aws.commercetools.cn',
-  AZURE_US: 'https://mc-api.eastus.azure.commercetools.com',
-  AZURE_EU: 'https://mc-api.germanywestcentral.azure.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_OHIO]:
+    'https://mc-api.us-east-2.aws.commercetools.com',
 } as const;
 
 export const MC_API_PROXY_HEADERS = {
diff --git a/packages/application-config/src/constants.ts b/packages/application-config/src/constants.ts
index f06a94d3e2..17278022b9 100644
--- a/packages/application-config/src/constants.ts
+++ b/packages/application-config/src/constants.ts
@@ -12,34 +12,28 @@ export const CLOUD_IDENTIFIERS = {
    * @deprecated: use `AWS_US` instead
    */
   AWS_OHIO: 'aws-ohio',
-  /**
-   * @deprecated: not supported anymore
-   */
-  AWS_CN: 'aws-cn',
-  AZURE_US: 'azure-us',
-  AZURE_EU: 'azure-eu',
 } as const;
 
 export const MC_API_URLS = {
-  GCP_AU: 'https://mc-api.australia-southeast1.gcp.commercetools.com',
-  GCP_EU: 'https://mc-api.europe-west1.gcp.commercetools.com',
-  GCP_US: 'https://mc-api.us-central1.gcp.commercetools.com',
-  AWS_EU: 'https://mc-api.eu-central-1.aws.commercetools.com',
-  AWS_US: 'https://mc-api.us-east-2.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_AU]:
+    'https://mc-api.australia-southeast1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_EU]:
+    'https://mc-api.europe-west1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.GCP_US]:
+    'https://mc-api.us-central1.gcp.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_EU]:
+    'https://mc-api.eu-central-1.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_US]: 'https://mc-api.us-east-2.aws.commercetools.com',
   /**
    * @deprecated: use `AWS_EU` instead
    */
-  AWS_FRA: 'https://mc-api.eu-central-1.aws.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_FRA]:
+    'https://mc-api.eu-central-1.aws.commercetools.com',
   /**
    * @deprecated: use `AWS_US` instead
    */
-  AWS_OHIO: 'https://mc-api.us-east-2.aws.commercetools.com',
-  /**
-   * @deprecated: not supported anymore
-   */
-  AWS_CN: 'https://mc-api.cn-northwest-1.aws.commercetools.cn',
-  AZURE_US: 'https://mc-api.eastus.azure.commercetools.com',
-  AZURE_EU: 'https://mc-api.germanywestcentral.azure.commercetools.com',
+  [CLOUD_IDENTIFIERS.AWS_OHIO]:
+    'https://mc-api.us-east-2.aws.commercetools.com',
 } as const;
 
 export const LOADED_CONFIG_TYPES = {
diff --git a/packages/application-config/src/utils.ts b/packages/application-config/src/utils.ts
index 8876c498a7..6938bb8d43 100644
--- a/packages/application-config/src/utils.ts
+++ b/packages/application-config/src/utils.ts
@@ -7,24 +7,17 @@ const mapCloudIdentifierToApiUrl = (
 ): string => {
   switch (key) {
     case CLOUD_IDENTIFIERS.GCP_AU:
-      return MC_API_URLS.GCP_AU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_AU];
     case CLOUD_IDENTIFIERS.GCP_EU:
-      return MC_API_URLS.GCP_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_EU];
     case CLOUD_IDENTIFIERS.GCP_US:
-      return MC_API_URLS.GCP_US;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.GCP_US];
     case CLOUD_IDENTIFIERS.AWS_EU:
     case CLOUD_IDENTIFIERS.AWS_FRA:
-      return MC_API_URLS.AWS_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.AWS_EU];
     case CLOUD_IDENTIFIERS.AWS_US:
     case CLOUD_IDENTIFIERS.AWS_OHIO:
-      return MC_API_URLS.AWS_US;
-    // TODO: remove it
-    case CLOUD_IDENTIFIERS.AWS_CN:
-      return MC_API_URLS.AWS_CN;
-    case CLOUD_IDENTIFIERS.AZURE_US:
-      return MC_API_URLS.AZURE_US;
-    case CLOUD_IDENTIFIERS.AZURE_EU:
-      return MC_API_URLS.AZURE_EU;
+      return MC_API_URLS[CLOUD_IDENTIFIERS.AWS_US];
     default:
       // We would probably never get to this point, as the JSON schema validation
       // kicks in before.