diff --git a/rtengine/imageio.cc b/rtengine/imageio.cc
index 4f60e8e0f..9dc8d8b6d 100644
--- a/rtengine/imageio.cc
+++ b/rtengine/imageio.cc
@@ -296,12 +296,6 @@ int ImageIO::loadPNG  (Glib::ustring fname) {
 //	if (bps==8 && bit_depth==16) png_set_strip_16(png);
 
     //updating png info struct
-    png_read_update_info(png,info);
-    png_get_IHDR(png,info,&width,&height,&bit_depth,&color_type,&interlace_type,&compression_type, &filter_method);
-
-        if (color_type & PNG_COLOR_MASK_ALPHA)
-          png_set_strip_alpha(png);
-
     png_read_update_info(png,info);
     png_get_IHDR(png,info,&width,&height,&bit_depth,&color_type,&interlace_type,&compression_type, &filter_method);