Index: trunk/optimize-images
===================================================================
--- trunk/optimize-images	(revision 4939)
+++ trunk/optimize-images	(revision 7507)
@@ -3,13 +3,4 @@
 for x in $(find images/ -name "*.png"); do
 	echo "Processing ${x}"
-	identify -quiet -verbose "${x}" | grep "alpha: 1-bit" > /dev/null
-	if [ "$?" -ne "0" ]; then
-		# non-1-bit-alpha image, process normally
-		optipng -o7 -quiet "${x}"
-	else
-		# disable color type reduction because that will break
-		# transparency for the images in JOSM using the current
-		# image loading method (see #1576)
-		optipng -nc -o7 -quiet "${x}"
-	fi
+	optipng -o7 -quiet "${x}"
 done