diff --git a/common/jpeg/jccolor.c b/common/jpeg/jccolor.c
index f20ed9d..8d3feb8 100644
--- a/common/jpeg/jccolor.c
+++ b/common/jpeg/jccolor.c
@@ -371,12 +371,6 @@
     break;
 
   case JCS_RGB:
-#if RGB_PIXELSIZE != 3
-    if (cinfo->input_components != RGB_PIXELSIZE)
-      ERREXIT(cinfo, JERR_BAD_IN_COLORSPACE);
-    break;
-#endif /* else share code with YCbCr */
-
   case JCS_EXT_RGB:
   case JCS_EXT_RGBX:
   case JCS_EXT_BGR: