--- gimp-3.0.2.old/plug-ins/file-jpeg/jpeg-load.c
+++ gimp-3.0.2/plug-ins/file-jpeg/jpeg-load.c
@@ -82,7 +82,7 @@
   guint              photoshop_len  = 0;
   gboolean           support_12_bit = FALSE;
 
-#if LIBJPEG_TURBO_VERSION_NUMBER >= 3000000
+#if 0
   support_12_bit = TRUE;
 #endif
 
@@ -446,7 +446,7 @@
           for (i = 0; i < scanlines; i++)
             jpeg_read_scanlines (&cinfo, (JSAMPARRAY) &rowbuf[i], 1);
         }
-#if LIBJPEG_TURBO_VERSION_NUMBER >= 3000000
+#if 0
       else
         {
           gint shift = 16 - cinfo.data_precision;