diff --git a/pkg/sql/opt/xform/testdata/rules/select b/pkg/sql/opt/xform/testdata/rules/select
index ceb9f4095874..5e8692a7dbe2 100644
--- a/pkg/sql/opt/xform/testdata/rules/select
+++ b/pkg/sql/opt/xform/testdata/rules/select
@@ -8561,7 +8561,6 @@ project
       └── filters (true)
 
 # Query requiring a zigzag join with a remaining filter.
-# TODO(itsbilal): remove filter from index join if zigzag join covers it.
 opt expect=GenerateInvertedIndexZigzagJoins
 SELECT j, k FROM b WHERE j @> '{"a": "b", "c": "d"}'
 ----
diff --git a/pkg/sql/sem/tree/type_check.go b/pkg/sql/sem/tree/type_check.go
index c6835db6b970..c581b8dc1f52 100644
--- a/pkg/sql/sem/tree/type_check.go
+++ b/pkg/sql/sem/tree/type_check.go
@@ -2347,8 +2347,6 @@ func typeCheckComparisonOp(
 		// a::TEXT @@ b::TEXT             |  to_tsvector(a) @@ plainto_tsquery(b)
 		// a::TEXT @@ b::TSQUERY          |  to_tsvector(a) @@ b
 		// a::TSQUERY @@ b::TEXT          |  a @@ to_tsvector(b)
-		// a::TSVECTOR @@ b::TEXT         |  a @@ b::TSQUERY
-		// a::TEXT @@ b::TSVECTOR         |  a::TSQUERY @@ b
 		if leftFamily == types.StringFamily {
 			if rightFamily == types.StringFamily || rightFamily == types.TSQueryFamily {
 				leftExprs := make(Exprs, 1)