diff --git a/src/dlangui/graphics/images.d b/src/dlangui/graphics/images.d
index cdb0c3c2..3af09351 100644
--- a/src/dlangui/graphics/images.d
+++ b/src/dlangui/graphics/images.d
@@ -20,16 +20,12 @@ Authors:   Vadim Lopatin, coolreader.org@gmail.com
 */
 module dlangui.graphics.images;
 
-immutable bool USE_LIBPNG = false;
 immutable bool USE_FREEIMAGE = true;
 
 import dlangui.core.logger;
 import dlangui.core.types;
 import dlangui.graphics.drawbuf;
 import std.stream;
-static if (USE_LIBPNG) {
-	import libpng.png;
-}
 
 /// load and decode image from file to ColorDrawBuf, returns null if loading or decoding is failed
 ColorDrawBuf loadImage(string filename) {
@@ -50,8 +46,6 @@ ColorDrawBuf loadImage(InputStream stream) {
         return null;
 	static if (USE_FREEIMAGE) {
 		return loadFreeImage(stream);
-	} else static if (USE_LIBPNG) {
-	    return loadPngImage(stream);
 	}
 }
 
@@ -181,113 +175,3 @@ static if (USE_FREEIMAGE) {
 	}
 }
 
-static if (USE_LIBPNG) {
-
-	extern (C) void lvpng_error_func (png_structp png, png_const_charp msg)
-	{
-		string s = fromStringz(msg);
-		Log.d("Error while reading PNG image: ", s);
-		// todo: exceptions do not work inside C function
-		throw new ImageDecodingException("Error while decoding PNG image");
-	}
-
-	extern (C) void lvpng_warning_func (png_structp png, png_const_charp msg)
-	{
-		string s = fromStringz(msg);
-		Log.d("Warn while reading PNG image: ", s);
-		// todo: exceptions do not work inside C function
-		throw new ImageDecodingException("Error while decoding PNG image");
-	}
-
-	extern (C) void lvpng_read_func(png_structp png, png_bytep buf, png_size_t len)
-	{
-		InputStream stream = cast(InputStream)png_get_io_ptr(png);
-		ubyte[] localbuf = new ubyte[len];
-		if (stream.read(localbuf) != len)
-			throw new ImageDecodingException("Error while reading PNG image");
-		for (uint i = 0; i < len; i++)
-			buf[i] = localbuf[i];
-	}
-
-	/// load and decode PNG image
-	ColorDrawBuf loadPngImage(InputStream stream)
-	{
-		png_structp png_ptr = null;
-		png_infop info_ptr = null;
-		png_ptr = png_create_read_struct(PNG_LIBPNG_VER_STRING,
-										 cast(png_voidp)stream, &lvpng_error_func, &lvpng_warning_func);
-		if ( !png_ptr )
-			return null;
-
-		try {
-			//
-			info_ptr = png_create_info_struct(png_ptr);
-			if (!info_ptr)
-				lvpng_error_func(png_ptr, "cannot create png info struct");
-			png_set_read_fn(png_ptr,
-							cast(void*)stream, &lvpng_read_func);
-			png_read_info( png_ptr, info_ptr );
-
-
-			png_uint_32 width, height;
-			int bit_depth, color_type, interlace_type;
-			png_get_IHDR(png_ptr, info_ptr, &width, &height,
-						 &bit_depth, &color_type, &interlace_type,
-						 null, null);
-			ColorDrawBuf drawbuf = new ColorDrawBuf(width, height);
-
-			if (color_type & PNG_COLOR_MASK_PALETTE)
-				png_set_palette_to_rgb(png_ptr);
-
-			if (color_type == PNG_COLOR_TYPE_GRAY && bit_depth < 8)
-				png_set_expand_gray_1_2_4_to_8(png_ptr);
-
-			if (png_get_valid(png_ptr, info_ptr, PNG_INFO_tRNS))
-				png_set_tRNS_to_alpha(png_ptr);
-
-			if (bit_depth == 16)
-				png_set_strip_16(png_ptr);
-
-			png_set_invert_alpha(png_ptr);
-
-			if (bit_depth < 8)
-				png_set_packing(png_ptr);
-
-			png_set_filler(png_ptr, 0, PNG_FILLER_AFTER);
-
-			if (color_type == PNG_COLOR_TYPE_GRAY ||
-				color_type == PNG_COLOR_TYPE_GRAY_ALPHA)
-				png_set_gray_to_rgb(png_ptr);
-
-			int number_passes = png_set_interlace_handling(png_ptr);
-			png_set_bgr(png_ptr);
-
-			for (int pass = 0; pass < number_passes; pass++)
-			{
-				for (int y = 0; y < height; y++)
-				{
-					uint * row = drawbuf.scanLine(y);
-					png_read_rows(png_ptr, cast(ubyte **)&row, null, 1);
-				}
-			}
-
-			png_read_end(png_ptr, info_ptr);
-
-			png_destroy_read_struct(&png_ptr, &info_ptr, null);
-
-			return drawbuf;
-		} catch (ImageDecodingException e) {
-			if (png_ptr)
-			{
-				png_destroy_read_struct(&png_ptr, &info_ptr, null);
-			}
-			return null;
-		}
-	}
-
-	//bool LVPngImageSource::CheckPattern( const lUInt8 * buf, int )
-	//{
-		//return( !png_sig_cmp((unsigned char *)buf, (png_size_t)0, 4) );
-	//}
-
-}
\ No newline at end of file