diff --git a/src/api-engine/api/common/enums.py b/src/api-engine/api/common/enums.py
index d500c7bde..c595e6d4d 100644
--- a/src/api-engine/api/common/enums.py
+++ b/src/api-engine/api/common/enums.py
@@ -4,17 +4,7 @@
 from enum import Enum, unique, EnumMeta
 import inspect
 
-
-def separate_upper_class(class_name):
-    x = ""
-    i = 0
-    for c in class_name:
-        if c.isupper() and not class_name[i - 1].isupper():
-            x += " %s" % c.lower()
-        else:
-            x += c
-        i += 1
-    return "_".join(x.strip().split(" "))
+from common.utils import separate_upper_class
 
 
 class ExtraEnum(Enum):
diff --git a/src/api-engine/chaincode/views.py b/src/api-engine/chaincode/views.py
index d8342e82d..8af4cb09f 100644
--- a/src/api-engine/chaincode/views.py
+++ b/src/api-engine/chaincode/views.py
@@ -9,7 +9,8 @@
 from chaincode.models import Chaincode
 from chaincode.serializers import ChaincodeCommitBody, ChaincodeList, ChaincodeCreateBody, ChaincodeID, ChaincodeRequestBody, ChaincodeResponse, \
     ChaincodeInstallBody, ChaincodeApproveBody
-from common.responses import with_common_response, ok
+from common.responses import ok
+from api.utils.common import with_common_response
 from common.serializers import PageQuerySerializer
 
 
diff --git a/src/api-engine/channel/views.py b/src/api-engine/channel/views.py
index 4a03c38d7..5a5ec3968 100644
--- a/src/api-engine/channel/views.py
+++ b/src/api-engine/channel/views.py
@@ -8,7 +8,7 @@
 from api.common.response import make_response_serializer
 from channel.models import Channel
 from channel.serializers import ChannelList, ChannelID, ChannelResponse, ChannelCreateBody
-from common.responses import with_common_response
+from api.utils.common import with_common_response
 from common.serializers import PageQuerySerializer
 
 
diff --git a/src/api-engine/common/responses.py b/src/api-engine/common/responses.py
index e6fc75b1a..7a0323454 100644
--- a/src/api-engine/common/responses.py
+++ b/src/api-engine/common/responses.py
@@ -1,28 +1,6 @@
-from rest_framework import status
-
-from api.common.serializers import BadResponseSerializer
-
-
 def ok(data):
     return {"data": data, "msg": None, "status": "successful"}
 
 
 def err(msg):
     return {"data": None, "msg": msg, "status": "fail"}
-
-
-def with_common_response(responses=None):
-    if responses is None:
-        responses = {}
-
-    responses.update(
-        {
-            status.HTTP_400_BAD_REQUEST: BadResponseSerializer,
-            status.HTTP_401_UNAUTHORIZED: "Permission denied",
-            status.HTTP_500_INTERNAL_SERVER_ERROR: "Internal Error",
-            status.HTTP_403_FORBIDDEN: "Authentication credentials "
-            "were not provided.",
-        }
-    )
-
-    return responses