diff --git a/bin/mbus-tcp-scan-secondary.c b/bin/mbus-tcp-scan-secondary.c
index bd1c12f..570a617 100755
--- a/bin/mbus-tcp-scan-secondary.c
+++ b/bin/mbus-tcp-scan-secondary.c
@@ -91,7 +91,6 @@ main(int argc, char **argv)
     }
 
     (void) mbus_recv_frame(handle, &reply);
-    sleep(1);
 
     frame->control = MBUS_CONTROL_MASK_SND_NKE | MBUS_CONTROL_MASK_DIR_M2S;
     frame->address = MBUS_ADDRESS_BROADCAST_NOREPLY;
@@ -104,7 +103,6 @@ main(int argc, char **argv)
     }
 
     (void) mbus_recv_frame(handle, &reply);
-    sleep(1);
 
     mbus_scan_2nd_address_range(handle, 0, addr_mask);