diff --git a/sleap/gui/utils.py b/sleap/gui/utils.py
index 0aad690a5..b974e26e8 100644
--- a/sleap/gui/utils.py
+++ b/sleap/gui/utils.py
@@ -1,7 +1,7 @@
 """Generic module containing utilities used for the GUI."""
 
 import zmq
-from time import sleep
+import time
 from typing import Optional
 
 
@@ -13,7 +13,7 @@ def is_port_free(port: int, zmq_context: Optional[zmq.Context] = None) -> bool:
     try:
         socket.bind(address)
         socket.unbind(address)
-        sleep(0.1)
+        time.sleep(0.1)
         return True
     except zmq.error.ZMQError:
         return False
diff --git a/sleap/gui/widgets/monitor.py b/sleap/gui/widgets/monitor.py
index 14dd0f966..9a17eecff 100644
--- a/sleap/gui/widgets/monitor.py
+++ b/sleap/gui/widgets/monitor.py
@@ -1090,14 +1090,12 @@ def _unbind(self):
         if self.sub is not None:
             self.sub.unbind(self.sub.LAST_ENDPOINT)
             self.sub.close()
-            time.sleep(0.1)
             self.sub = None
 
         if self.zmq_ctrl is not None:
             url = self.zmq_ctrl.LAST_ENDPOINT
             self.zmq_ctrl.unbind(url)
             self.zmq_ctrl.close()
-            time.sleep(0.1)
             self.zmq_ctrl = None
 
         # If we started out own zmq context, terminate it.