diff --git a/sassc-3.5.0-build.patch b/sassc-3.5.0-build.patch
deleted file mode 100644
index 378c2c9..0000000
--- a/sassc-3.5.0-build.patch
+++ /dev/null
@@ -1,297 +0,0 @@
-diff -Nur sassc-3.5.0.orig/Makefile sassc-3.5.0/Makefile
---- sassc-3.5.0.orig/Makefile	2018-01-11 12:32:04.000000000 -0800
-+++ sassc-3.5.0/Makefile	2018-07-19 11:30:03.281523655 -0700
-@@ -210,9 +210,8 @@
- build-static: $(RESOURCES) $(OBJECTS) $(LIB_STATIC)
- 	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $^ $(LDLIBS)
- 
--build-shared: $(RESOURCES) $(OBJECTS) $(LIB_SHARED)
--	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $(RESOURCES) $(OBJECTS) \
--		$(LDLIBS) -L$(SASS_LIBSASS_PATH)/lib -lsass
-+build-shared: $(RESOURCES) $(OBJECTS)
-+		$(CC) $(LDFLAGS) -o $(SASSC_EXE) $^ $(LDLIBS) -lsass
- 
- build-shared-dev: $(RESOURCES) $(OBJECTS) $(LIB_SHARED)
- 	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $^ $(LDLIBS)
-diff -Nur sassc-3.5.0.orig/Makefile.build sassc-3.5.0/Makefile.build
---- sassc-3.5.0.orig/Makefile.build	1969-12-31 16:00:00.000000000 -0800
-+++ sassc-3.5.0/Makefile.build	2018-01-11 12:32:04.000000000 -0800
-@@ -0,0 +1,278 @@
-+CC       ?= gcc
-+CXX      ?= g++
-+RM       ?= rm -f
-+CP       ?= cp -a
-+CHDIR    ?= chdir
-+MKDIR    ?= mkdir
-+WINDRES  ?= windres
-+INSTALL  ?= install
-+CFLAGS   ?= -Wall
-+CXXFLAGS ?= -Wall
-+LDFLAGS  ?= -Wall
-+ifneq "$(COVERAGE)" "yes"
-+  CFLAGS   += -O2
-+  CXXFLAGS += -O2
-+  LDFLAGS  += -O2
-+endif
-+LDFLAGS  += -Wl,-undefined,error
-+CAT      ?= $(if $(filter $(OS),Windows_NT),type,cat)
-+
-+# If you run this under windows cmd.com interpreter:
-+# You must provide UnxUtils rm.exe and cp.exe in path
-+# Otherwise certain targets may not work as intended!
-+# Note: It seems impossible to replace `mkdir` command
-+
-+ifneq (,$(findstring /cygdrive/,$(PATH)))
-+	UNAME := Cygwin
-+	TARGET := Windows
-+else
-+	ifneq (,$(findstring Windows,$(PATH)))
-+		UNAME := Windows
-+		TARGET := Windows
-+	else
-+		ifneq (,$(findstring mingw32,$(MAKE)))
-+			UNAME := MinGW
-+			TARGET := Windows
-+		else
-+			ifneq (,$(findstring MINGW32,$(shell uname -s)))
-+				UNAME = MinGW
-+				TARGET := Windows
-+			else
-+				UNAME := $(shell uname -s)
-+				TARGET := $(shell uname -s)
-+			endif
-+		endif
-+	endif
-+endif
-+
-+ifeq ($(SASS_SASSC_PATH),)
-+	SASS_SASSC_PATH = $(abspath $(CURDIR))
-+endif
-+ifeq ($(SASS_LIBSASS_PATH),)
-+	SASS_LIBSASS_PATH = $(abspath $(CURDIR)/..)
-+endif
-+
-+ifeq ($(SASSC_VERSION),)
-+	ifneq ($(wildcard ./.git/ ),)
-+		SASSC_VERSION ?= $(shell git describe --abbrev=4 --dirty --always --tags)
-+	endif
-+endif
-+
-+ifeq ($(SASSC_VERSION),)
-+	ifneq ($(wildcard VERSION),)
-+		SASSC_VERSION ?= $(shell $(CAT) VERSION)
-+	endif
-+endif
-+
-+ifneq ($(SASSC_VERSION),)
-+	CFLAGS   += -DSASSC_VERSION="\"$(SASSC_VERSION)\""
-+	CXXFLAGS += -DSASSC_VERSION="\"$(SASSC_VERSION)\""
-+endif
-+
-+# enable mandatory flag
-+ifeq (Windows,$(TARGET))
-+	ifneq ($(BUILD),shared)
-+		STATIC_ALL     ?= 1
-+	endif
-+	STATIC_LIBGCC    ?= 1
-+	STATIC_LIBSTDCPP ?= 1
-+	CXXFLAGS += -std=gnu++0x
-+	LDFLAGS  += -std=gnu++0x
-+else
-+	STATIC_ALL       ?= 0
-+	STATIC_LIBGCC    ?= 0
-+	STATIC_LIBSTDCPP ?= 0
-+	CXXFLAGS += -std=c++0x
-+	LDFLAGS  += -std=c++0x
-+endif
-+
-+ifneq ($(SASS_LIBSASS_PATH),)
-+	CFLAGS   += -I $(SASS_LIBSASS_PATH)/include
-+	CXXFLAGS += -I $(SASS_LIBSASS_PATH)/include
-+	# only needed to support old source tree
-+	# we have moved the files to src folder
-+	CFLAGS   += -I $(SASS_LIBSASS_PATH)
-+	CXXFLAGS += -I $(SASS_LIBSASS_PATH)
-+else
-+	# this is needed for mingw
-+	CFLAGS   += -I include
-+	CXXFLAGS += -I include
-+endif
-+
-+ifneq ($(EXTRA_CFLAGS),)
-+	CFLAGS   += $(EXTRA_CFLAGS)
-+endif
-+ifneq ($(EXTRA_CXXFLAGS),)
-+	CXXFLAGS += $(EXTRA_CXXFLAGS)
-+endif
-+ifneq ($(EXTRA_LDFLAGS),)
-+	LDFLAGS  += $(EXTRA_LDFLAGS)
-+endif
-+
-+LDLIBS = -lm
-+
-+ifneq ($(BUILD),shared)
-+	LDLIBS += -lstdc++
-+endif
-+
-+# link statically into lib
-+# makes it a lot more portable
-+# increases size by about 50KB
-+ifeq ($(STATIC_ALL),1)
-+	LDFLAGS += -static
-+endif
-+ifeq ($(STATIC_LIBGCC),1)
-+	LDFLAGS += -static-libgcc
-+endif
-+ifeq ($(STATIC_LIBSTDCPP),1)
-+	LDFLAGS += -static-libstdc++
-+endif
-+
-+ifeq ($(UNAME),Darwin)
-+	CFLAGS += -stdlib=libc++
-+	CXXFLAGS += -stdlib=libc++
-+	LDFLAGS += -stdlib=libc++
-+endif
-+
-+ifneq (Windows,$(TARGET))
-+	ifneq (FreeBSD,$(UNAME))
-+    ifneq (OpenBSD,$(UNAME))
-+			LDFLAGS += -ldl
-+			LDLIBS += -ldl
-+		endif
-+	endif
-+endif
-+
-+ifneq ($(BUILD),shared)
-+	BUILD = static
-+endif
-+
-+ifeq (,$(PREFIX))
-+	ifeq (,$(TRAVIS_BUILD_DIR))
-+		PREFIX = /usr/local
-+	else
-+		PREFIX = $(TRAVIS_BUILD_DIR)
-+	endif
-+endif
-+
-+SOURCES = sassc.c
-+
-+LIB_STATIC = $(SASS_LIBSASS_PATH)/lib/libsass.a
-+LIB_SHARED = $(SASS_LIBSASS_PATH)/lib/libsass.so
-+
-+RESOURCES =
-+SASSC_EXE = bin/sassc
-+ifeq (Windows,$(TARGET))
-+	RESOURCES = libsass.res
-+	SASSC_EXE = bin/sassc.exe
-+	ifeq (shared,$(BUILD))
-+		CFLAGS     += -D ADD_EXPORTS
-+		CXXFLAGS   += -D ADD_EXPORTS
-+		LIB_SHARED  = $(SASS_LIBSASS_PATH)/lib/libsass.dll
-+	endif
-+else
-+	CFLAGS   += -fPIC
-+	CXXFLAGS += -fPIC
-+	LDFLAGS  += -fPIC
-+endif
-+
-+OBJECTS = $(SOURCES:.c=.o)
-+SPEC_PATH = $(SASS_SPEC_PATH)
-+all: sassc
-+
-+%.o: %.c
-+	$(CC) $(CFLAGS) -c -o $@ $<
-+
-+%.o: %.rc
-+	$(WINDRES) -i $< -o $@
-+
-+%.o: %.cpp
-+	$(CXX) $(CXXFLAGS) -c -o $@ $<
-+
-+sassc: $(SASSC_EXE)
-+build: build-$(BUILD)
-+libsass: libsass-$(BUILD)
-+
-+$(SASSC_EXE): libsass build
-+
-+$(DESTDIR)$(PREFIX)/:
-+	$(MKDIR) $(DESTDIR)$(PREFIX)
-+
-+$(DESTDIR)$(PREFIX)/bin/:
-+	$(MKDIR) $(DESTDIR)$(PREFIX)/bin
-+
-+$(DESTDIR)$(PREFIX)/bin/%: bin/%
-+	$(INSTALL) -D -v -m0755 "$<" "$@"
-+
-+install: libsass-install-$(BUILD) \
-+	$(DESTDIR)$(PREFIX)/$(SASSC_EXE)
-+
-+build-static: $(RESOURCES) $(OBJECTS) $(LIB_STATIC)
-+	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $^ $(LDLIBS)
-+
-+build-shared: $(RESOURCES) $(OBJECTS) $(LIB_SHARED)
-+	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $(RESOURCES) $(OBJECTS) \
-+		$(LDLIBS) -L$(SASS_LIBSASS_PATH)/lib -lsass
-+
-+build-shared-dev: $(RESOURCES) $(OBJECTS) $(LIB_SHARED)
-+	$(CC) $(LDFLAGS) -o $(SASSC_EXE) $^ $(LDLIBS)
-+
-+build-static-dev: build-static
-+
-+$(LIB_STATIC): libsass-static
-+$(LIB_SHARED): libsass-shared
-+
-+libsass-static:
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) BUILD="static" -C $(SASS_LIBSASS_PATH)
-+else
-+	$(error SASS_LIBSASS_PATH must be defined)
-+endif
-+
-+libsass-shared:
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) BUILD="shared" -C $(SASS_LIBSASS_PATH)
-+else
-+	$(error SASS_LIBSASS_PATH must be defined)
-+endif
-+
-+# nothing to do for static
-+libsass-install-static: libsass-static
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) BUILD="static" -C $(SASS_LIBSASS_PATH) install
-+else
-+	$(error SASS_LIBSASS_PATH must be defined)
-+endif
-+
-+# install shared library
-+libsass-install-shared: libsass-shared
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) BUILD="shared" -C $(SASS_LIBSASS_PATH) install
-+else
-+	$(error SASS_LIBSASS_PATH must be defined)
-+endif
-+
-+test: all
-+	$(MAKE) -C $(SASS_LIBSASS_PATH) version
-+
-+libsass.res:
-+	$(WINDRES) res/libsass.rc -O coff libsass.res
-+
-+specs: all
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) -C $(SASS_LIBSASS_PATH) test_build
-+else
-+	$(error SASS_LIBSASS_PATH must be defined)
-+endif
-+
-+clean:
-+	rm -f $(OBJECTS) $(SASSC_EXE) \
-+	      bin/*.so bin/*.dll libsass.res
-+ifdef SASS_LIBSASS_PATH
-+	$(MAKE) -C $(SASS_LIBSASS_PATH) clean
-+endif
-+
-+.PHONY: test specs clean sassc \
-+        all build-static build-shared \
-+        libsass libsass-static libsass-shared
-+.DELETE_ON_ERROR:
diff --git a/zopfli-1.0.1.tar.gz b/zopfli-1.0.1.tar.gz
deleted file mode 100644
index 811669a..0000000
Binary files a/zopfli-1.0.1.tar.gz and /dev/null differ