diff --git a/vector/acc_amd64.go b/vector/acc_amd64.go
index 827ee65..c0d6ad9 100644
--- a/vector/acc_amd64.go
+++ b/vector/acc_amd64.go
@@ -10,10 +10,7 @@
 
 func haveSSE4_1() bool
 
-var (
-	haveFixedAccumulateSIMD    = haveSSE4_1()
-	haveFloatingAccumulateSIMD = haveSSE4_1()
-)
+var haveAccumulateSIMD = haveSSE4_1()
 
 //go:noescape
 func fixedAccumulateOpOverSIMD(dst []uint8, src []uint32)
diff --git a/vector/acc_other.go b/vector/acc_other.go
index dc0ab98..d00bed8 100644
--- a/vector/acc_other.go
+++ b/vector/acc_other.go
@@ -6,10 +6,7 @@
 
 package vector
 
-const (
-	haveFixedAccumulateSIMD    = false
-	haveFloatingAccumulateSIMD = false
-)
+const haveAccumulateSIMD = false
 
 func fixedAccumulateOpOverSIMD(dst []uint8, src []uint32)     {}
 func fixedAccumulateOpSrcSIMD(dst []uint8, src []uint32)      {}
diff --git a/vector/acc_test.go b/vector/acc_test.go
index 16815cf..898bd8a 100644
--- a/vector/acc_test.go
+++ b/vector/acc_test.go
@@ -40,7 +40,7 @@
 // TestXxxSIMDUnaligned tests that unaligned SIMD loads/stores don't crash.
 
 func TestFixedAccumulateSIMDUnaligned(t *testing.T) {
-	if !haveFixedAccumulateSIMD {
+	if !haveAccumulateSIMD {
 		t.Skip("No SIMD implemention")
 	}
 
@@ -54,7 +54,7 @@
 }
 
 func TestFloatingAccumulateSIMDUnaligned(t *testing.T) {
-	if !haveFloatingAccumulateSIMD {
+	if !haveAccumulateSIMD {
 		t.Skip("No SIMD implemention")
 	}
 
@@ -71,7 +71,7 @@
 // end of the dst buffer.
 
 func TestFixedAccumulateSIMDShortDst(t *testing.T) {
-	if !haveFixedAccumulateSIMD {
+	if !haveAccumulateSIMD {
 		t.Skip("No SIMD implemention")
 	}
 
@@ -95,7 +95,7 @@
 }
 
 func TestFloatingAccumulateSIMDShortDst(t *testing.T) {
-	if !haveFloatingAccumulateSIMD {
+	if !haveAccumulateSIMD {
 		t.Skip("No SIMD implemention")
 	}
 
@@ -137,12 +137,12 @@
 		maxN := 0
 		switch in := in.(type) {
 		case []uint32:
-			if simd && !haveFixedAccumulateSIMD {
+			if simd && !haveAccumulateSIMD {
 				continue
 			}
 			maxN = len(in)
 		case []float32:
-			if simd && !haveFloatingAccumulateSIMD {
+			if simd && !haveAccumulateSIMD {
 				continue
 			}
 			maxN = len(in)
@@ -385,7 +385,7 @@
 
 	switch in := in.(type) {
 	case []uint32:
-		if simd && !haveFixedAccumulateSIMD {
+		if simd && !haveAccumulateSIMD {
 			b.Skip("No SIMD implemention")
 		}
 
@@ -415,7 +415,7 @@
 		}
 
 	case []float32:
-		if simd && !haveFloatingAccumulateSIMD {
+		if simd && !haveAccumulateSIMD {
 			b.Skip("No SIMD implemention")
 		}
 
diff --git a/vector/vector.go b/vector/vector.go
index 852a4f8..7b8ca98 100644
--- a/vector/vector.go
+++ b/vector/vector.go
@@ -306,13 +306,13 @@
 		} else {
 			z.bufU32 = z.bufU32[:n]
 		}
-		if haveFloatingAccumulateSIMD {
+		if haveAccumulateSIMD {
 			floatingAccumulateMaskSIMD(z.bufU32, z.bufF32)
 		} else {
 			floatingAccumulateMask(z.bufU32, z.bufF32)
 		}
 	} else {
-		if haveFixedAccumulateSIMD {
+		if haveAccumulateSIMD {
 			fixedAccumulateMaskSIMD(z.bufU32)
 		} else {
 			fixedAccumulateMask(z.bufU32)
@@ -326,13 +326,13 @@
 		// We bypass the z.accumulateMask step and convert straight from
 		// z.bufF32 or z.bufU32 to dst.Pix.
 		if z.useFloatingPointMath {
-			if haveFloatingAccumulateSIMD {
+			if haveAccumulateSIMD {
 				floatingAccumulateOpOverSIMD(dst.Pix, z.bufF32)
 			} else {
 				floatingAccumulateOpOver(dst.Pix, z.bufF32)
 			}
 		} else {
-			if haveFixedAccumulateSIMD {
+			if haveAccumulateSIMD {
 				fixedAccumulateOpOverSIMD(dst.Pix, z.bufU32)
 			} else {
 				fixedAccumulateOpOver(dst.Pix, z.bufU32)
@@ -362,13 +362,13 @@
 		// We bypass the z.accumulateMask step and convert straight from
 		// z.bufF32 or z.bufU32 to dst.Pix.
 		if z.useFloatingPointMath {
-			if haveFloatingAccumulateSIMD {
+			if haveAccumulateSIMD {
 				floatingAccumulateOpSrcSIMD(dst.Pix, z.bufF32)
 			} else {
 				floatingAccumulateOpSrc(dst.Pix, z.bufF32)
 			}
 		} else {
-			if haveFixedAccumulateSIMD {
+			if haveAccumulateSIMD {
 				fixedAccumulateOpSrcSIMD(dst.Pix, z.bufU32)
 			} else {
 				fixedAccumulateOpSrc(dst.Pix, z.bufU32)