diff --git a/.gitignore b/.gitignore
index 00aafef..59d3950 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,4 +2,6 @@ output/*
 samples/*
 tmp/*
 build/*
-autom4te.cache
\ No newline at end of file
+autom4te.cache
+src/png.c
+src/png.h
\ No newline at end of file
diff --git a/src/Makefile.am b/src/Makefile.am
index 8eb2eaa..5b2fdb5 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -1,4 +1,4 @@
 bin_PROGRAMS = caesiumclt
-caesiumclt_SOURCES = main.c jpeg.c compresshelper.c utils.c png.c
+caesiumclt_SOURCES = main.c jpeg.c compresshelper.c utils.c
 caesiumclt_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -std=c99
-caesiumclt_LDADD = -ljpeg -lturbojpeg -lm -lz -lpng
\ No newline at end of file
+caesiumclt_LDADD = -ljpeg -lturbojpeg -lm
\ No newline at end of file
diff --git a/src/Makefile.in b/src/Makefile.in
index ec75e55..f6af4af 100644
--- a/src/Makefile.in
+++ b/src/Makefile.in
@@ -100,7 +100,7 @@ am__installdirs = "$(DESTDIR)$(bindir)"
 PROGRAMS = $(bin_PROGRAMS)
 am_caesiumclt_OBJECTS = caesiumclt-main.$(OBJEXT) \
 	caesiumclt-jpeg.$(OBJEXT) caesiumclt-compresshelper.$(OBJEXT) \
-	caesiumclt-utils.$(OBJEXT) caesiumclt-png.$(OBJEXT)
+	caesiumclt-utils.$(OBJEXT)
 caesiumclt_OBJECTS = $(am_caesiumclt_OBJECTS)
 caesiumclt_DEPENDENCIES =
 caesiumclt_LINK = $(CCLD) $(caesiumclt_CFLAGS) $(CFLAGS) $(AM_LDFLAGS) \
@@ -117,6 +117,7 @@ AM_V_at = $(am__v_at_@AM_V@)
 am__v_at_ = $(am__v_at_@AM_DEFAULT_V@)
 am__v_at_0 = @
 am__v_at_1 = 
+DEFAULT_INCLUDES = -I.@am__isrc@
 depcomp = $(SHELL) $(top_srcdir)/tools/depcomp
 am__depfiles_maybe = depfiles
 am__mv = mv -f
@@ -251,9 +252,9 @@ target_alias = @target_alias@
 top_build_prefix = @top_build_prefix@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-caesiumclt_SOURCES = main.c jpeg.c compresshelper.c utils.c png.c
+caesiumclt_SOURCES = main.c jpeg.c compresshelper.c utils.c
 caesiumclt_CFLAGS = -Wall -D_FILE_OFFSET_BITS=64 -std=c99
-caesiumclt_LDADD = -ljpeg -lturbojpeg -lm -lz -lpng
+caesiumclt_LDADD = -ljpeg -lturbojpeg -lm
 all: all-am
 
 .SUFFIXES:
@@ -343,7 +344,6 @@ distclean-compile:
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/caesiumclt-compresshelper.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/caesiumclt-jpeg.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/caesiumclt-main.Po@am__quote@
-@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/caesiumclt-png.Po@am__quote@
 @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/caesiumclt-utils.Po@am__quote@
 
 .c.o:
@@ -416,20 +416,6 @@ caesiumclt-utils.obj: utils.c
 @AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
 @am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(caesiumclt_CFLAGS) $(CFLAGS) -c -o caesiumclt-utils.obj `if test -f 'utils.c'; then $(CYGPATH_W) 'utils.c'; else $(CYGPATH_W) '$(srcdir)/utils.c'; fi`
 
-caesiumclt-png.o: png.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(caesiumclt_CFLAGS) $(CFLAGS) -MT caesiumclt-png.o -MD -MP -MF $(DEPDIR)/caesiumclt-png.Tpo -c -o caesiumclt-png.o `test -f 'png.c' || echo '$(srcdir)/'`png.c
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/caesiumclt-png.Tpo $(DEPDIR)/caesiumclt-png.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='png.c' object='caesiumclt-png.o' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(caesiumclt_CFLAGS) $(CFLAGS) -c -o caesiumclt-png.o `test -f 'png.c' || echo '$(srcdir)/'`png.c
-
-caesiumclt-png.obj: png.c
-@am__fastdepCC_TRUE@	$(AM_V_CC)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(caesiumclt_CFLAGS) $(CFLAGS) -MT caesiumclt-png.obj -MD -MP -MF $(DEPDIR)/caesiumclt-png.Tpo -c -o caesiumclt-png.obj `if test -f 'png.c'; then $(CYGPATH_W) 'png.c'; else $(CYGPATH_W) '$(srcdir)/png.c'; fi`
-@am__fastdepCC_TRUE@	$(AM_V_at)$(am__mv) $(DEPDIR)/caesiumclt-png.Tpo $(DEPDIR)/caesiumclt-png.Po
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	$(AM_V_CC)source='png.c' object='caesiumclt-png.obj' libtool=no @AMDEPBACKSLASH@
-@AMDEP_TRUE@@am__fastdepCC_FALSE@	DEPDIR=$(DEPDIR) $(CCDEPMODE) $(depcomp) @AMDEPBACKSLASH@
-@am__fastdepCC_FALSE@	$(AM_V_CC@am__nodep@)$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(caesiumclt_CFLAGS) $(CFLAGS) -c -o caesiumclt-png.obj `if test -f 'png.c'; then $(CYGPATH_W) 'png.c'; else $(CYGPATH_W) '$(srcdir)/png.c'; fi`
-
 ID: $(am__tagged_files)
 	$(am__define_uniq_tagged_files); mkid -fID $$unique
 tags: tags-am
diff --git a/src/compresshelper.c b/src/compresshelper.c
index 340854a..87efb44 100644
--- a/src/compresshelper.c
+++ b/src/compresshelper.c
@@ -109,8 +109,8 @@ void cclt_compress_routine(char* input, char* output, cclt_compress_parameters*
 	} else if (type == JPEG && pars->lossless != 0) {
 		cclt_optimize(input, output, pars->exif_copy, input);
 	} else if (type == PNG) {
-		read_png_file(input);
-		write_png_file(output);
+		//read_png_file(input);
+		//write_png_file(output);
 	} else if (type == GIF) {
 		printf("GIF detected. Not implemented yet.\n");
 	} else {