diff --git a/driver/rsdIntrinsicColorMatrix.cpp b/driver/rsdIntrinsicColorMatrix.cpp
index 8f6c70c..cfe0333 100644
--- a/driver/rsdIntrinsicColorMatrix.cpp
+++ b/driver/rsdIntrinsicColorMatrix.cpp
@@ -97,9 +97,6 @@
     uint32_t x1 = xstart;
     uint32_t x2 = xend;
 
-    in += xstart;
-    out += xstart;
-
     if(x2 > x1) {
 #if defined(ARCH_ARM_HAVE_NEON)
         int32_t len = (x2 - x1) >> 2;