--- a/configure.ac
+++ b/configure.ac
@@ -9,8 +9,6 @@
 AM_INIT_AUTOMAKE([subdir-objects])
 
 # Checks for programs.
-CFLAGS="-g -O3"
-AC_PROG_CC([clang gcc])
 AX_CHECK_C11
 CFLAGS="$CFLAGS -Wall -Wstrict-prototypes -Wmissing-prototypes -Wmissing-declarations -Wmissing-noreturn -fno-strict-aliasing"
 
--- a/bin/Makefile.am
+++ b/bin/Makefile.am
@@ -30,7 +30,6 @@
 LDADD = $(DEPS_LIBS)
 
 #Add extra debug info for gdb
-AM_CFLAGS = -ggdb 
 
 # libnfdump sources
 output =  output_util.h output_util.c output_raw.h output_raw.c