diff --git a/adodbapi/test/adodbapitestconfig.py b/adodbapi/test/adodbapitestconfig.py
index 0a2b871c7b..983480e4a4 100644
--- a/adodbapi/test/adodbapitestconfig.py
+++ b/adodbapi/test/adodbapitestconfig.py
@@ -42,10 +42,6 @@
     """
     )
     exit()
-try:
-    onWindows = bool(sys.getwindowsversion())  # seems to work on all versions of Python
-except:
-    onWindows = False
 
 # create a random name for temporary table names
 _alphabet = (
@@ -89,7 +85,7 @@
 doSqlServerTest = "--mssql" in sys.argv or doAllTests
 doMySqlTest = "--mysql" in sys.argv or doAllTests
 doPostgresTest = "--pg" in sys.argv or doAllTests
-doTimeTest = ("--time" in sys.argv or doAllTests) and onWindows
+doTimeTest = ("--time" in sys.argv or doAllTests) and sys.platform == "win32"
 
 # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # # #
 # # start your environment setup here v v v
diff --git a/adodbapi/test/test_adodbapi_dbapi20.py b/adodbapi/test/test_adodbapi_dbapi20.py
index 6218b7997e..50f4c0f03a 100644
--- a/adodbapi/test/test_adodbapi_dbapi20.py
+++ b/adodbapi/test/test_adodbapi_dbapi20.py
@@ -29,11 +29,6 @@
 print(adodbapi.version)
 print("Tested with dbapi20 %s" % dbapi20.__version__)
 
-try:
-    onWindows = bool(sys.getwindowsversion())  # seems to work on all versions of Python
-except:
-    onWindows = False
-
 node = platform.node()
 
 conn_kws = {}
@@ -56,7 +51,7 @@
 )
 connStr = "%(provider)s; %(security)s; Initial Catalog=%(name)s;Data Source=%(host)s"
 
-if onWindows and node != "z-PC":
+if sys.platform == "win32" and node != "z-PC":
     pass  # default should make a local SQL Server connection
 elif node == "xxx":  # try Postgres database
     _computername = "25.223.161.222"