diff --git a/pymodbus/client/base.py b/pymodbus/client/base.py
index 26d7871b87..37166a0ef1 100644
--- a/pymodbus/client/base.py
+++ b/pymodbus/client/base.py
@@ -83,16 +83,6 @@ def close(self, reconnect: bool = False) -> None:
         else:
             self.ctx.close()
 
-    def idle_time(self) -> float:
-        """Time before initiating next transaction (call **sync**).
-
-        Applications can call message functions without checking idle_time(),
-        this is done automatically.
-        """
-        if self.last_frame_end is None or self.silent_interval is None:
-            return 0
-        return self.last_frame_end + self.silent_interval
-
     def execute(self, request: ModbusRequest):
         """Execute request and get response (call **sync/async**).