--- a/Makefile
+++ b/Makefile
@@ -3,17 +3,17 @@ exec_prefix=$(prefix)
 libdir=$(exec_prefix)/lib
 
 CC=gcc
-CFLAGS=-pthread -g3 -O3 -D_FORTIFY_SOURCE=2 -fPIC
+CFLAGS+=-pthread
 CPPFLAGS=
 DEFS=
 INSTALL=/usr/bin/install -c
-LDFLAGS=-shared -pthread -Wl,--warn-common
+LDFLAGS+=-shared -pthread -Wl,--warn-common
 LIBS=
 MKDIR_P=/bin/mkdir -p
 SHELL=/bin/sh
 
 ASTMODDIR=$(libdir)/asterisk/modules
-MODULES=codec_opus_open_source format_ogg_opus_open_source format_vp8 res_format_attr_opus
+MODULES=codec_opus_open_source
 
 .SUFFIXES: .c .so