diff --git a/seqproto.go b/seqproto.go
deleted file mode 100644
index f984e02..0000000
--- a/seqproto.go
+++ /dev/null
@@ -1,113 +0,0 @@
-//go:build ignore
-
-package gigaparsec
-
-func Seq3[In, Out, T1, T2, T3 any](
-	p1 Parser[In, T1],
-	p2 Parser[In, T2],
-	p3 Parser[In, T3],
-	f func(T1, T2, T3) Out,
-) Parser[In, Out] {
-	return func(s State[In]) (Result[In, Out], error) {
-		var anyConsumed bool
-		var failed bool
-		var msg Message
-		var next = s
-
-		r1, err := p1(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r1.Consumed()
-		failed, _, msg = r1.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val1, next, _ := r1.Succeeded()
-
-		r2, err := p2(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r2.Consumed()
-		failed, _, msg = r2.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val2, next, _ := r2.Succeeded()
-
-		r3, err := p3(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r3.Consumed()
-		failed, _, msg = r3.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val3, next, _ := r3.Succeeded()
-
-		val := f(val1, val2, val3)
-		return Succeed(anyConsumed, val, next, MessageOK(s.Pos())), nil
-	}
-}
-
-func Bind3[In, Out, T1, T2, T3 any](
-	p Parser[In, T1],
-	f1 func(T1) Parser[In, T2],
-	f2 func(T2) Parser[In, T3],
-	f3 func(T3) Parser[In, Out],
-) Parser[In, Out] {
-	return func(s State[In]) (Result[In, Out], error) {
-		var anyConsumed bool
-		var failed bool
-		var msg Message
-		var next = s
-
-		r1, err := p(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r1.Consumed()
-		failed, _, msg = r1.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val1, next, _ := r1.Succeeded()
-
-		r2, err := f1(val1)(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r2.Consumed()
-		failed, _, msg = r2.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val2, next, _ := r2.Succeeded()
-
-		r3, err := f2(val2)(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r3.Consumed()
-		failed, _, msg = r3.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val3, next, _ := r3.Succeeded()
-
-		r4, err := f3(val3)(next)
-		if err != nil {
-			return Result[In, Out]{}, err
-		}
-		anyConsumed = anyConsumed || r4.Consumed()
-		failed, _, msg = r4.Failed()
-		if failed {
-			return Fail[In, Out](anyConsumed, msg), nil
-		}
-		_, _, val4, next, _ := r4.Succeeded()
-
-		return Succeed(anyConsumed, val4, next, MessageOK(s.Pos())), nil
-	}
-}