diff --git a/plugins/modules/gcp_compute_target_tcp_proxy.py b/plugins/modules/gcp_compute_target_tcp_proxy.py
index 1a4679f..1494a35 100644
--- a/plugins/modules/gcp_compute_target_tcp_proxy.py
+++ b/plugins/modules/gcp_compute_target_tcp_proxy.py
@@ -214,11 +214,10 @@ def main():
     if fetch:
         if state == 'present':
             if is_different(module, fetch):
-                update(module, self_link(module), kind, fetch)
-                fetch = fetch_resource(module, self_link(module), kind)
+                fetch = update(module, self_link(module), kind, fetch)
                 changed = True
         else:
-            delete(module, self_link(module), kind)
+            delete(module, self_link(module), kind, fetch)
             fetch = {}
             changed = True
     else:
@@ -239,26 +238,6 @@ def create(module, link, kind):
 
 
 def update(module, link, kind, fetch):
-    update_fields(module, resource_to_request(module), response_to_hash(module, fetch))
-    return fetch_resource(module, self_link(module), kind)
-
-
-def update_fields(module, request, response):
-    if response.get('proxyHeader') != request.get('proxyHeader'):
-        proxy_header_update(module, request, response)
-    if response.get('service') != request.get('service'):
-        service_update(module, request, response)
-
-
-def proxy_header_update(module, request, response):
-    auth = GcpSession(module, 'compute')
-    auth.post(
-        ''.join(["https://www.googleapis.com/compute/v1/", "projects/{project}/global/targetTcpProxies/{name}/setProxyHeader"]).format(**module.params),
-        {u'proxyHeader': module.params.get('proxy_header')},
-    )
-
-
-def service_update(module, request, response):
     auth = GcpSession(module, 'compute')
     auth.post(
         ''.join(["https://www.googleapis.com/compute/v1/", "projects/{project}/global/targetTcpProxies/{name}/setBackendService"]).format(**module.params),
@@ -266,7 +245,7 @@ def service_update(module, request, response):
     )
 
 
-def delete(module, link, kind):
+def delete(module, link, kind, fetch):
     auth = GcpSession(module, 'compute')
     return wait_for_operation(module, auth.delete(link))