diff --git a/TestingLowerBounds/KullbackLeibler.lean b/TestingLowerBounds/KullbackLeibler.lean
index d3954af9..5cc744d8 100644
--- a/TestingLowerBounds/KullbackLeibler.lean
+++ b/TestingLowerBounds/KullbackLeibler.lean
@@ -157,8 +157,6 @@ end kl_nonneg
 section Conditional
 
 variable {β : Type*} {mβ : MeasurableSpace β}
--- variable {κ η : kernel α β}
-
 
 open Classical in