diff --git a/test/ibmq/test_registration.py b/test/ibmq/test_registration.py
index f11cd1fe3..1daa26c6c 100644
--- a/test/ibmq/test_registration.py
+++ b/test/ibmq/test_registration.py
@@ -17,9 +17,9 @@
 
 from qiskit.providers.ibmq import IBMQ
 from qiskit.providers.ibmq.credentials import (
-    Credentials, configrc, discover_credentials, qconfig,
+    Credentials, _configrc, discover_credentials, _qconfig,
     read_credentials_from_qiskitrc, store_credentials)
-from qiskit.providers.ibmq.credentials.environ import VARIABLES_MAP
+from qiskit.providers.ibmq.credentials._environ import VARIABLES_MAP
 from qiskit.providers.ibmq.exceptions import IBMQAccountError
 from qiskit.providers.ibmq.ibmqprovider import QE_URL
 from qiskit.providers.ibmq.ibmqsingleprovider import IBMQSingleProvider
@@ -268,13 +268,13 @@ def custom_qiskitrc(contents=b''):
     tmp_file.flush()
 
     # Temporarily modify the default location of the qiskitrc file.
-    default_qiskitrc_file_original = configrc.DEFAULT_QISKITRC_FILE
-    configrc.DEFAULT_QISKITRC_FILE = tmp_file.name
+    default_qiskitrc_file_original = _configrc.DEFAULT_QISKITRC_FILE
+    _configrc.DEFAULT_QISKITRC_FILE = tmp_file.name
     yield
 
     # Delete the temporary file and restore the default location.
     tmp_file.close()
-    configrc.DEFAULT_QISKITRC_FILE = default_qiskitrc_file_original
+    _configrc.DEFAULT_QISKITRC_FILE = default_qiskitrc_file_original
 
 
 @contextmanager
@@ -286,13 +286,13 @@ def custom_qconfig(contents=b''):
     tmp_file.flush()
 
     # Temporarily modify the default location of the qiskitrc file.
-    default_qconfig_file_original = qconfig.DEFAULT_QCONFIG_FILE
-    qconfig.DEFAULT_QCONFIG_FILE = tmp_file.name
+    default_qconfig_file_original = _qconfig.DEFAULT_QCONFIG_FILE
+    _qconfig.DEFAULT_QCONFIG_FILE = tmp_file.name
     yield
 
     # Delete the temporary file and restore the default location.
     tmp_file.close()
-    qconfig.DEFAULT_QCONFIG_FILE = default_qconfig_file_original
+    _qconfig.DEFAULT_QCONFIG_FILE = default_qconfig_file_original
 
 
 @contextmanager