diff --git a/micropython/senml/examples/base.py b/micropython/senml/examples/base.py
index c6818886..426cbbd0 100644
--- a/micropython/senml/examples/base.py
+++ b/micropython/senml/examples/base.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 
 
 pack = SenmlPack("device_name")
diff --git a/micropython/senml/examples/basic.py b/micropython/senml/examples/basic.py
index 470364f1..18a3a9a0 100644
--- a/micropython/senml/examples/basic.py
+++ b/micropython/senml/examples/basic.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 
 
 pack = SenmlPack("device")
diff --git a/micropython/senml/examples/basic2.py b/micropython/senml/examples/basic2.py
index 7c4dee26..c2ea153b 100644
--- a/micropython/senml/examples/basic2.py
+++ b/micropython/senml/examples/basic2.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 
 
 pack = SenmlPack("device_name")
diff --git a/micropython/senml/examples/basic_cbor.py b/micropython/senml/examples/basic_cbor.py
index de696b1a..f5e92af3 100644
--- a/micropython/senml/examples/basic_cbor.py
+++ b/micropython/senml/examples/basic_cbor.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 from cbor2 import decoder
 
 pack = SenmlPack("device_name")
diff --git a/micropython/senml/examples/custom_record.py b/micropython/senml/examples/custom_record.py
index 07e4e177..e754c897 100644
--- a/micropython/senml/examples/custom_record.py
+++ b/micropython/senml/examples/custom_record.py
@@ -26,7 +26,7 @@ THE SOFTWARE.
 
 from senml import *
 
-import utime as time
+import time
 
 
 class Coordinates(SenmlRecord):
diff --git a/micropython/senml/examples/gateway.py b/micropython/senml/examples/gateway.py
index c3bef12d..d28e4cff 100644
--- a/micropython/senml/examples/gateway.py
+++ b/micropython/senml/examples/gateway.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 
 gateway_pack = SenmlPack("gateway")
 
diff --git a/micropython/senml/examples/supported_data_types.py b/micropython/senml/examples/supported_data_types.py
index 59799cb9..3149f49d 100644
--- a/micropython/senml/examples/supported_data_types.py
+++ b/micropython/senml/examples/supported_data_types.py
@@ -25,7 +25,7 @@ THE SOFTWARE.
 
 
 from senml import *
-import utime as time
+import time
 
 pack = SenmlPack("device_name")
 
diff --git a/micropython/senml/senml/senml_pack.py b/micropython/senml/senml/senml_pack.py
index 03ca612a..d528911f 100644
--- a/micropython/senml/senml/senml_pack.py
+++ b/micropython/senml/senml/senml_pack.py
@@ -26,7 +26,7 @@ THE SOFTWARE.
 
 from senml.senml_record import SenmlRecord
 from senml.senml_base import SenmlBase
-import ujson
+import json
 from cbor2 import encoder
 from cbor2 import decoder
 
@@ -166,7 +166,7 @@ class SenmlPack(SenmlBase):
         :param data: a string containing json data.
         :return: None, will r
         """
-        records = ujson.loads(data)  # load the raw senml data
+        records = json.loads(data)  # load the raw senml data
         self._process_incomming_data(records, SenmlPack.json_mappings)
 
     def _process_incomming_data(self, records, naming_map):
@@ -242,7 +242,7 @@ class SenmlPack(SenmlBase):
         """
         converted = []
         self._build_rec_dict(SenmlPack.json_mappings, converted)
-        return ujson.dumps(converted)
+        return json.dumps(converted)
 
     def _build_rec_dict(self, naming_map, appendTo):
         """
diff --git a/micropython/senml/senml/senml_record.py b/micropython/senml/senml/senml_record.py
index be280d3a..5c99a447 100644
--- a/micropython/senml/senml/senml_record.py
+++ b/micropython/senml/senml/senml_record.py
@@ -24,7 +24,7 @@ THE SOFTWARE.
 """
 
 
-import ubinascii
+import binascii
 from senml.senml_base import SenmlBase
 
 
@@ -229,7 +229,7 @@ class SenmlRecord(SenmlBase):
         elif naming_map["vb"] in raw:
             val = raw[naming_map["vb"]]
         elif naming_map["vd"] in raw:
-            val = ubinascii.a2b_base64(raw[naming_map["vb"]])
+            val = binascii.a2b_base64(raw[naming_map["vb"]])
         else:
             val = None
         self.value = val