diff --git a/pkg/types.go b/pkg/types.go
index 505c849..5cd0ad0 100644
--- a/pkg/types.go
+++ b/pkg/types.go
@@ -116,7 +116,7 @@ type WavefrontComponent struct {
 }
 
 // NewWavefrontComponent: returns initialized WavefrontComponent
-func NewWavefrontComponent(preallocateSize int) *WavefrontComponent {
+func NewWavefrontComponent() *WavefrontComponent {
 	// new wavefront component = {
 	// lo = [0]
 	// hi = [0]
@@ -130,7 +130,7 @@ func NewWavefrontComponent(preallocateSize int) *WavefrontComponent {
 		},
 	}
 
-	w.W.Preallocate(preallocateSize)
+	//w.W.Preallocate(preallocateSize)
 
 	return w
 }
diff --git a/pkg/wfa.go b/pkg/wfa.go
index 7c877f1..56e2b48 100644
--- a/pkg/wfa.go
+++ b/pkg/wfa.go
@@ -10,12 +10,11 @@ func WFAlign(s1 string, s2 string, penalties Penalty, doCIGAR bool) Result {
 	A_k := m - n
 	A_offset := uint32(m)
 	score := 0
-	estimatedScore := (max(n, m) * max(penalties.M, penalties.X, penalties.O, penalties.E)) / 4
-	M := NewWavefrontComponent(estimatedScore)
+	M := NewWavefrontComponent()
 	M.SetLoHi(0, 0, 0)
 	M.SetVal(0, 0, 0, End)
-	I := NewWavefrontComponent(estimatedScore)
-	D := NewWavefrontComponent(estimatedScore)
+	I := NewWavefrontComponent()
+	D := NewWavefrontComponent()
 
 	for {
 		WFExtend(M, s1, n, s2, m, score)