diff --git a/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-operations.ts b/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-operations.ts
index 7657973129..4b01963a82 100644
--- a/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-operations.ts
+++ b/packages/destination-actions/src/destinations/facebook-custom-audiences/fbca-operations.ts
@@ -78,7 +78,7 @@ export default class FacebookClient {
     }
   }
 
-  syncAudience = async (input: { audienceId: string; payload: Payload[] }) => {
+  syncAudience = async (input: { audienceId: string; payload: Payload[]; deleteUsers?: boolean }) => {
     const schema = this.generateSchema(input.payload)
     const data = this.generateData(schema, input.payload)
 
@@ -91,7 +91,7 @@ export default class FacebookClient {
 
     try {
       return await this.request(`${BASE_URL}${input.audienceId}/users`, {
-        method: 'post',
+        method: input.deleteUsers === true ? 'delete' : 'post',
         json: params
       })
     } catch (e) {
diff --git a/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts b/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
index 7fadf1c0cc..cf1b5c830a 100644
--- a/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
+++ b/packages/destination-actions/src/destinations/facebook-custom-audiences/sync/index.ts
@@ -262,30 +262,24 @@ const action: ActionDefinition<Settings, Payload> = {
   perform: async (request, { settings, payload, hookOutputs, syncMode }) => {
     const fbClient = new FacebookClient(request, settings.retlAdAccountId)
 
-    if (syncMode === 'add' || syncMode === 'update' || syncMode === 'upsert') {
+    if (syncMode) {
       return await fbClient.syncAudience({
         audienceId: hookOutputs?.retlOnMappingSave.audienceId,
-        payload: [payload]
+        payload: [payload],
+        deleteUsers: syncMode === 'delete' ? true : false
       })
     }
-
-    if (syncMode === 'delete') {
-      // TODO DELETE OPERATION
-    }
   },
   performBatch: async (request, { settings, payload, hookOutputs, syncMode }) => {
     const fbClient = new FacebookClient(request, settings.retlAdAccountId)
 
-    if (syncMode === 'add' || syncMode === 'update' || syncMode === 'upsert') {
+    if (syncMode) {
       return await fbClient.syncAudience({
         audienceId: hookOutputs?.retlOnMappingSave.audienceId,
-        payload
+        payload,
+        deleteUsers: syncMode === 'delete' ? true : false
       })
     }
-
-    if (syncMode === 'delete') {
-      // TODO DELETE OPERATION
-    }
   }
 }