1 files changed, 1 insertions, 7 deletions
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp
index 092cb661bd..6644ef8045 100644
--- a/src/effects/SkMatrixConvolutionImageFilter.cpp
+++ b/src/effects/SkMatrixConvolutionImageFilter.cpp
@@ -244,9 +244,7 @@ void SkMatrixConvolutionImageFilter::filterBorderPixels(const SkBitmap& src,
 // FIXME:  This should be refactored to SkImageFilterUtils for
 // use by other filters.  For now, we assume the input is always
 // premultiplied and unpremultiply it
-static SkBitmap unpremultiply_bitmap(const SkBitmap& src)
-{
-    SkAutoLockPixels alp(src);
+static SkBitmap unpremultiply_bitmap(const SkBitmap& src) {
     if (!src.getPixels()) {
         return SkBitmap();
     }
@@ -256,7 +254,6 @@ static SkBitmap unpremultiply_bitmap(const SkBitmap& src)
     if (!result.tryAllocPixels(info)) {
         return SkBitmap();
     }
-    SkAutoLockPixels resultLock(result);
     for (int y = 0; y < src.height(); ++y) {
         const uint32_t* srcRow = src.getAddr32(0, y);
         uint32_t* dstRow = result.getAddr32(0, y);
@@ -350,7 +347,6 @@ sk_sp<SkSpecialImage> SkMatrixConvolutionImageFilter::onFilterImage(SkSpecialIma
         inputBM = unpremultiply_bitmap(inputBM);
     }
 
-    SkAutoLockPixels alp(inputBM);
     if (!inputBM.getPixels()) {
         return nullptr;
     }
@@ -363,8 +359,6 @@ sk_sp<SkSpecialImage> SkMatrixConvolutionImageFilter::onFilterImage(SkSpecialIma
         return nullptr;
     }
 
-    SkAutoLockPixels dstLock(dst);
-
     offset->fX = bounds.fLeft;
     offset->fY = bounds.fTop;
     bounds.offset(-inputOffset);