diff --git a/source/scale_neon.cc b/source/scale_neon.cc
index cb0a6ee5c..30bc22e4f 100644
--- a/source/scale_neon.cc
+++ b/source/scale_neon.cc
@@ -573,7 +573,7 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ptrdiff_t src_stride,
     "vld2.8     {d6["#n"], d7["#n"]}, [%6]     \n"
 
 // The NEON version mimics this formula (from row_common.cc):
-// #define BLENDER(a, b, f) (uint8)((int)(a) + \
+// #define BLENDER(a, b, f) (uint8)((int)(a) +
 //    ((((int)((f)) * ((int)(b) - (int)(a))) + 0x8000) >> 16))
 
 void ScaleFilterCols_NEON(uint8* dst_ptr, const uint8* src_ptr,
diff --git a/source/scale_neon64.cc b/source/scale_neon64.cc
index 2362f0874..efa1fa90f 100644
--- a/source/scale_neon64.cc
+++ b/source/scale_neon64.cc
@@ -588,7 +588,7 @@ void ScaleAddRows_NEON(const uint8* src_ptr, ptrdiff_t src_stride,
     "ld2        {v4.b, v5.b}["#n"], [%6]      \n"
 
 // The NEON version mimics this formula (from row_common.cc):
-// #define BLENDER(a, b, f) (uint8)((int)(a) + \
+// #define BLENDER(a, b, f) (uint8)((int)(a) +
 //    ((((int)((f)) * ((int)(b) - (int)(a))) + 0x8000) >> 16))
 
 void ScaleFilterCols_NEON(uint8* dst_ptr, const uint8* src_ptr,