diff --git a/CMakeLists.txt b/CMakeLists.txt
index 3d52180..fc040e0 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,8 +32,6 @@ list(TRANSFORM TESTS_SOURCES PREPEND ${CMAKE_CURRENT_SOURCE_DIR}/test/)
 set(CMAKE_REQUIRED_FLAGS "-I${CMAKE_CURRENT_SOURCE_DIR}/usrsctp/usrsctplib")
 
 add_subdirectory(usrsctp EXCLUDE_FROM_ALL)
-set(sctp_inet ON)
-set(sctp_inet6 ON)
 
 # Set include directory and custom options to make usrsctp compile with recent g++
 target_include_directories(usrsctp-static PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/usrsctp/usrsctplib)
diff --git a/Makefile b/Makefile
index 72e009b..281a68f 100644
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,6 @@ LDLIBS= -lgnutls $(shell pkg-config --libs glib-2.0 gobject-2.0 nice)
 INCLUDES=-Iinclude/rtc -I$(USRSCTP_DIR)/usrsctplib $(shell pkg-config --cflags glib-2.0 gobject-2.0 nice)
 
 USRSCTP_DIR:=usrsctp
-USRSCTP_DEFINES:=-DINET -DINET6
 
 SRCS=$(shell printf "%s " src/*.cpp)
 OBJS=$(subst .cpp,.o,$(SRCS))
@@ -19,7 +18,7 @@ OBJS=$(subst .cpp,.o,$(SRCS))
 all: $(NAME).a $(NAME).so tests
 
 src/%.o: src/%.cpp
-	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(INCLUDES) $(USRSCTP_DEFINES) -MMD -MP -o $@ -c $<
+	$(CXX) $(CXXFLAGS) $(CPPFLAGS) $(INCLUDES) -MMD -MP -o $@ -c $<
 
 test/%.o: test/%.cpp
 	$(CXX) $(CXXFLAGS) $(CPPFLAGS) -Iinclude -MMD -MP -o $@ -c $<