diff --git a/chronos/handles.nim b/chronos/handles.nim
index 19716f2..a05c4e3 100644
--- a/chronos/handles.nim
+++ b/chronos/handles.nim
@@ -7,10 +7,10 @@
 #  Apache License, version 2.0, (LICENSE-APACHEv2)
 #              MIT license (LICENSE-MIT)
 
-import net, nativesockets, os, asyncloop
+import net, nativesockets, asyncloop
 
 when defined(windows):
-  import winlean
+  import os, winlean
   const
     asyncInvalidSocket* = AsyncFD(-1)
     TCP_NODELAY* = 1
diff --git a/tests/testaddress.nim b/tests/testaddress.nim
index 56c9f82..a2a2e36 100644
--- a/tests/testaddress.nim
+++ b/tests/testaddress.nim
@@ -5,7 +5,7 @@
 #              Licensed under either of
 #  Apache License, version 2.0, (LICENSE-APACHEv2)
 #              MIT license (LICENSE-MIT)
-import strutils, unittest
+import unittest
 import ../chronos
 
 when defined(nimHasUsed): {.used.}
diff --git a/tests/testasyncstream.nim b/tests/testasyncstream.nim
index a5c7a04..54869d1 100644
--- a/tests/testasyncstream.nim
+++ b/tests/testasyncstream.nim
@@ -5,7 +5,7 @@
 #              Licensed under either of
 #  Apache License, version 2.0, (LICENSE-APACHEv2)
 #              MIT license (LICENSE-MIT)
-import strutils, unittest, os
+import strutils, unittest
 import ../chronos, ../chronos/streams/tlsstream
 
 when defined(nimHasUsed): {.used.}