diff --git a/source/scale_uv.cc b/source/scale_uv.cc
index 7094cd0e6..78ec765c4 100644
--- a/source/scale_uv.cc
+++ b/source/scale_uv.cc
@@ -51,10 +51,6 @@ extern "C" {
 #define HAS_SCALEPLANEVERTICAL 1
 #endif
 
-static __inline int Abs(int v) {
-  return v >= 0 ? v : -v;
-}
-
 #define MIN1(x) ((x) < 1 ? 1 : (x))
 
 // ScaleUV, 1/2
@@ -1154,7 +1150,6 @@ static int ScaleUV(const uint8_t* src,
   }
   ScaleSlope(src_width, src_height, dst_width, dst_height, filtering, &x, &y,
              &dx, &dy);
-  src_width = Abs(src_width);
   if (clip_x) {
     int64_t clipf = (int64_t)(clip_x)*dx;
     x += (clipf & 0xffff);
@@ -1312,7 +1307,6 @@ int UVScale_16(const uint16_t* src_uv,
     src_uv = src_uv + (src_height - 1) * (ptrdiff_t)src_stride_uv;
     src_stride_uv = -src_stride_uv;
   }
-  src_width = Abs(src_width);
 
 #ifdef HAS_UVCOPY
   if (!filtering && src_width == dst_width && (src_height % dst_height == 0)) {