diff --git a/artiq/gateware/targets/kasli.py b/artiq/gateware/targets/kasli.py
index b1d0ea70e..b1c85b99b 100755
--- a/artiq/gateware/targets/kasli.py
+++ b/artiq/gateware/targets/kasli.py
@@ -779,8 +779,6 @@ class USTC(_StandaloneBase):
             self.submodules += phy
             rtio_channels.append(rtio.Channel.from_phy(phy))
 
-        print(len(rtio_channels))
-
         self.config["HAS_RTIO_LOG"] = None
         self.config["RTIO_LOG_CHANNEL"] = len(rtio_channels)
         rtio_channels.append(rtio.LogChannel())