diff --git a/moto/s3/responses.py b/moto/s3/responses.py
index 06e7353d3..22cd45c08 100644
--- a/moto/s3/responses.py
+++ b/moto/s3/responses.py
@@ -1232,9 +1232,8 @@ class ResponseObject(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
             )
             new_key.set_tagging(tagging)
 
-        template = self.response_template(S3_OBJECT_RESPONSE)
         response_headers.update(new_key.response_dict)
-        return 200, response_headers, template.render(key=new_key)
+        return 200, response_headers, ""
 
     def _key_response_head(self, bucket_name, query, key_name, headers):
         response_headers = {}
@@ -1552,8 +1551,7 @@ class ResponseObject(_TemplateEnvironmentMixin, ActionAuthenticatorMixin):
             return 204, {}, ""
         version_id = query.get("versionId", [None])[0]
         self.backend.delete_key(bucket_name, key_name, version_id=version_id)
-        template = self.response_template(S3_DELETE_OBJECT_SUCCESS)
-        return 204, {}, template.render()
+        return 204, {}, ""
 
     def _complete_multipart_body(self, body):
         ps = minidom.parseString(body).getElementsByTagName("Part")
@@ -1868,18 +1866,6 @@ S3_DELETE_KEYS_RESPONSE = """<?xml version="1.0" encoding="UTF-8"?>
 {% endfor %}
 </DeleteResult>"""
 
-S3_DELETE_OBJECT_SUCCESS = """<?xml version="1.0" encoding="UTF-8"?>
-<DeleteObjectResponse xmlns="http://s3.amazonaws.com/doc/2006-03-01">
-  <Code>200</Code>
-  <Description>OK</Description>
-</DeleteObjectResponse>"""
-
-S3_OBJECT_RESPONSE = """<?xml version="1.0" encoding="UTF-8"?>
-    <PutObjectResponse xmlns="http://s3.amazonaws.com/doc/2006-03-01">
-      <ETag>{{ key.etag }}</ETag>
-      <LastModified>{{ key.last_modified_ISO8601 }}</LastModified>
-    </PutObjectResponse>"""
-
 S3_OBJECT_ACL_RESPONSE = """<?xml version="1.0" encoding="UTF-8"?>
     <AccessControlPolicy xmlns="http://s3.amazonaws.com/doc/2006-03-01/">
       <Owner>