diff --git a/xpra/net/file_transfer.py b/xpra/net/file_transfer.py
index 0a2122badc..dd48f0f6c3 100644
--- a/xpra/net/file_transfer.py
+++ b/xpra/net/file_transfer.py
@@ -388,7 +388,7 @@ def _process_send_file_chunk(self, packet: PacketType) -> None:
         file_data: bytes = packet[3]
         has_more = bool(packet[4])
         # if len(file_data)<1024:
-        #    from xpra.os_util import hexstr
+        #    from xpra.util.str_fn import hexstr
         #    filelog.warn("file_data=%s", hexstr(file_data))
         # filelog(f"file_data={len(file_data)} {type(file_data)}")
         filelog(f"file_data={len(file_data)} {type(file_data)}")
diff --git a/xpra/x11/bindings/xi2.pyx b/xpra/x11/bindings/xi2.pyx
index 769bd4fed6..a16c7cc7c0 100644
--- a/xpra/x11/bindings/xi2.pyx
+++ b/xpra/x11/bindings/xi2.pyx
@@ -11,7 +11,7 @@ log = Logger("x11", "bindings", "xinput")
 
 from xpra.gtk.error import xlog
 from xpra.x11.common import X11Event
-from xpra.os_util import hexstr
+from xpra.util.str_fn import hexstr
 
 from libc.string cimport memset  # pylint: disable=syntax-error
 from xpra.x11.bindings.xlib cimport (