--- a/configure.ac
+++ b/configure.ac
@@ -18,7 +18,7 @@
 # Silent build for automake >= 1.11
 m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
 
-AC_SUBST([EXTRA_CFLAGS], ["-Wall -Werror -Wextra -std=gnu99"])
+AC_SUBST([EXTRA_CFLAGS], ["-Wall -Wextra -std=gnu99"])
 
 # Checks for programs.
 AC_PROG_CC