diff --git a/debian/control b/debian/control
index d9432e2e8..79f18dfc4 100644
--- a/debian/control
+++ b/debian/control
@@ -4,7 +4,6 @@ Section: net
 Priority: optional
 Build-Depends: debhelper (>= 9),
                autotools-dev,
-               autoconf-archive,
                pkg-config,
                libgtp0-dev,
                libosmocore-dev,
diff --git a/openbsc/configure.ac b/openbsc/configure.ac
index 9fd732529..0753834f9 100644
--- a/openbsc/configure.ac
+++ b/openbsc/configure.ac
@@ -140,14 +140,6 @@ AC_COMPILE_IFELSE([AC_LANG_SOURCE([char foo;])],
 CFLAGS="$saved_CFLAGS"
 AC_SUBST(SYMBOL_VISIBILITY)
 
-# FIXME: use CC_CHECK_CFLAG_APPEND([-Werror=implicit])
-AX_CHECK_COMPILE_FLAG([-Werror=implicit], [CFLAGS="$CFLAGS -Werror=implicit"])
-AX_CHECK_COMPILE_FLAG([-Werror=maybe-uninitialized], [CFLAGS="$CFLAGS -Werror=maybe-uninitialized"])
-AX_CHECK_COMPILE_FLAG([-Werror=memset-transposed-args], [CFLAGS="$CFLAGS -Werror=memset-transposed-args"])
-AX_CHECK_COMPILE_FLAG([-Werror=null-dereference], [CFLAGS="$CFLAGS -Werror=null-dereference"])
-AX_CHECK_COMPILE_FLAG([-Werror=sizeof-array-argument], [CFLAGS="$CFLAGS -Werror=sizeof-array-argument"])
-AX_CHECK_COMPILE_FLAG([-Werror=sizeof-pointer-memaccess], [CFLAGS="$CFLAGS -Werror=sizeof-pointer-memaccess"])
-
 # Coverage build taken from WebKit's configure.in
 AC_MSG_CHECKING([whether to enable code coverage support])
 AC_ARG_ENABLE(coverage,