diff --git a/src/azure-cli-core/azure/cli/core/_debug.py b/src/azure-cli-core/azure/cli/core/_debug.py
index b8028791ce9..f4be10549a1 100644
--- a/src/azure-cli-core/azure/cli/core/_debug.py
+++ b/src/azure-cli-core/azure/cli/core/_debug.py
@@ -12,7 +12,6 @@
 
 logger = get_logger(__name__)
 
-ADAL_PYTHON_SSL_NO_VERIFY = "ADAL_PYTHON_SSL_NO_VERIFY"
 REQUESTS_CA_BUNDLE = "REQUESTS_CA_BUNDLE"
 
 
@@ -20,7 +19,6 @@ def change_ssl_cert_verification(client):
     if should_disable_connection_verify():
         logger.warning("Connection verification disabled by environment variable %s",
                        DISABLE_VERIFY_VARIABLE_NAME)
-        os.environ[ADAL_PYTHON_SSL_NO_VERIFY] = '1'
         client.config.connection.verify = False
     elif REQUESTS_CA_BUNDLE in os.environ:
         ca_bundle_file = os.environ[REQUESTS_CA_BUNDLE]
@@ -36,7 +34,6 @@ def change_ssl_cert_verification_track2():
     if should_disable_connection_verify():
         logger.warning("Connection verification disabled by environment variable %s",
                        DISABLE_VERIFY_VARIABLE_NAME)
-        os.environ[ADAL_PYTHON_SSL_NO_VERIFY] = '1'
         client_kwargs['connection_verify'] = False
     elif REQUESTS_CA_BUNDLE in os.environ:
         ca_bundle_file = os.environ[REQUESTS_CA_BUNDLE]