diff --git a/piker/fsp/_engine.py b/piker/fsp/_engine.py
index 78448d01..f9a4f797 100644
--- a/piker/fsp/_engine.py
+++ b/piker/fsp/_engine.py
@@ -458,7 +458,7 @@ async def cascade(
                     profiler.finish()
 
                     async for i in istream:
-                        print(f'FSP incrementing {i}')
+                        # print(f'FSP incrementing {i}')
 
                         # respawn the compute task if the source
                         # array has been updated such that we compute