diff --git a/csharp/ql/lib/semmle/code/csharp/dataflow/internal/TaintTrackingPrivate.qll b/csharp/ql/lib/semmle/code/csharp/dataflow/internal/TaintTrackingPrivate.qll
index 2da4ec7f71e..0872b5d1124 100644
--- a/csharp/ql/lib/semmle/code/csharp/dataflow/internal/TaintTrackingPrivate.qll
+++ b/csharp/ql/lib/semmle/code/csharp/dataflow/internal/TaintTrackingPrivate.qll
@@ -111,7 +111,7 @@ private class LocalTaintExprStepConfiguration extends ControlFlowReachabilityCon
 
 private ControlFlow::Nodes::ExprNode getALastEvalNode(ControlFlow::Nodes::ExprNode cfn) {
   exists(Expr e | any(LocalTaintExprStepConfiguration x).hasExprPath(_, result, e, cfn) |
-    e.(OperatorCall).getTarget() instanceof ImplicitConversionOperator // Should only be implicit operator calls.
+    e.(OperatorCall).getTarget() instanceof ImplicitConversionOperator
   )
 }