diff --git a/src/pixie/blends.nim b/src/pixie/blends.nim
index e6a38be..2694c73 100644
--- a/src/pixie/blends.nim
+++ b/src/pixie/blends.nim
@@ -553,16 +553,11 @@ when defined(amd64) and allowSimd:
     var
       backdropEven = mm_slli_epi16(backdrop, 8)
       backdropOdd = mm_and_si128(backdrop, oddMask)
-
-    # backdrop * k
     backdropEven = mm_mulhi_epu16(backdropEven, evenK)
     backdropOdd = mm_mulhi_epu16(backdropOdd, oddK)
-
-    # div 255
     backdropEven = mm_srli_epi16(mm_mulhi_epu16(backdropEven, div255), 7)
     backdropOdd = mm_srli_epi16(mm_mulhi_epu16(backdropOdd, div255), 7)
 
-    # Shift from high to low bits
     sourceEven = mm_srli_epi16(sourceEven, 8)
     sourceOdd = mm_srli_epi16(sourceOdd, 8)
 
@@ -582,12 +577,8 @@ when defined(amd64) and allowSimd:
     var
       backdropEven = mm_slli_epi16(backdrop, 8)
       backdropOdd = mm_and_si128(backdrop, oddMask)
-
-    # backdrop * source
     backdropEven = mm_mulhi_epu16(backdropEven, sourceEven)
     backdropOdd = mm_mulhi_epu16(backdropOdd, sourceOdd)
-
-    # div 255
     backdropEven = mm_srli_epi16(mm_mulhi_epu16(backdropEven, div255), 7)
     backdropOdd = mm_srli_epi16(mm_mulhi_epu16(backdropOdd, div255), 7)
 
diff --git a/src/pixie/simd/avx2.nim b/src/pixie/simd/avx2.nim
index 89f74ef..be900bd 100644
--- a/src/pixie/simd/avx2.nim
+++ b/src/pixie/simd/avx2.nim
@@ -116,10 +116,8 @@ proc toPremultipliedAlphaAvx2*(data: var seq[ColorRGBA | ColorRGBX]) {.simd.} =
       let
         tmpEven = mm256_add_epi16(colorsEven, vec128)
         tmpOdd = mm256_add_epi16(colorsOdd, vec128)
-      colorsEven = tmpEven
-      colorsOdd = tmpOdd
-      colorsEven = mm256_srli_epi16(colorsEven, 8)
-      colorsOdd = mm256_srli_epi16(colorsOdd, 8)
+      colorsEven = mm256_srli_epi16(tmpEven, 8)
+      colorsOdd = mm256_srli_epi16(tmpOdd, 8)
       colorsEven = mm256_add_epi16(colorsEven, tmpEven)
       colorsOdd = mm256_add_epi16(colorsOdd, tmpOdd)
       colorsEven = mm256_srli_epi16(colorsEven, 8)
diff --git a/src/pixie/simd/sse2.nim b/src/pixie/simd/sse2.nim
index c5b1db4..b5021fc 100644
--- a/src/pixie/simd/sse2.nim
+++ b/src/pixie/simd/sse2.nim
@@ -190,10 +190,8 @@ proc toPremultipliedAlphaSse2*(data: var seq[ColorRGBA | ColorRGBX]) {.simd.} =
       let
         tmpEven = mm_add_epi16(colorsEven, vec128)
         tmpOdd = mm_add_epi16(colorsOdd, vec128)
-      colorsEven = tmpEven
-      colorsOdd = tmpOdd
-      colorsEven = mm_srli_epi16(colorsEven, 8)
-      colorsOdd = mm_srli_epi16(colorsOdd, 8)
+      colorsEven = mm_srli_epi16(tmpEven, 8)
+      colorsOdd = mm_srli_epi16(tmpOdd, 8)
       colorsEven = mm_add_epi16(colorsEven, tmpEven)
       colorsOdd = mm_add_epi16(colorsOdd, tmpOdd)
       colorsEven = mm_srli_epi16(colorsEven, 8)