--- configure.in.orig
+++ configure.in
@@ -236,48 +236,5 @@
 AC_CHECK_FUNCS([Tk_SetClassProcs TkpSync])
 AC_CHECK_FUNCS([mkstemp usleep getpwuid getpwnam shmget])
 
-dnl A nice function to test compiler options (like warnings)
-AC_DEFUN(AC_CHECK_CC_OPT,
-[FLAG=`echo zangband_cv_cflag_$1 | sed s/-/_/g`
-AC_CACHE_CHECK([whether ${CC-cc} accepts $1],
-[$FLAG],
-[echo 'void f(void); void f(){}' > conftest.c
-if test -z "`${CC-cc} -c ${CFLAGS} $1 conftest.c 2>&1`"; then
-  eval $FLAG=yes
-else
-  eval $FLAG=no
-fi])
-if test ${!FLAG} = yes ; then
-  CFLAGS="$1 $CFLAGS"
-fi
-])
-
-dnl Check for lots of extra warning options
-AC_CHECK_CC_OPT(-pedantic)
-AC_CHECK_CC_OPT(-W)
-AC_CHECK_CC_OPT(-Wall)
-AC_CHECK_CC_OPT(-Wmissing-prototypes)
-AC_CHECK_CC_OPT(-Wmissing-declarations)
-AC_CHECK_CC_OPT(-Wno-long-long)
-AC_CHECK_CC_OPT(-Wwrite-strings)
-AC_CHECK_CC_OPT(-Wpointer-arith)
-AC_CHECK_CC_OPT(-Wbad-function-cast)
-AC_CHECK_CC_OPT(-Waggregate-return)
-AC_CHECK_CC_OPT(-Wstrict-prototypes)
-AC_CHECK_CC_OPT(-Wredundant-decls)
-dnl AC_CHECK_CC_OPT(-Wunreachable-code)
-AC_CHECK_CC_OPT(-Wchar-subscripts)
-AC_CHECK_CC_OPT(-Wimplicit)
-AC_CHECK_CC_OPT(-Wparentheses)
-AC_CHECK_CC_OPT(-Wsequence-point)
-AC_CHECK_CC_OPT(-Wreturn-type)
-AC_CHECK_CC_OPT(-Wswitch)
-AC_CHECK_CC_OPT(-Wunused)
-AC_CHECK_CC_OPT(-Wuninitialized)
-AC_CHECK_CC_OPT(-Wundef)
-AC_CHECK_CC_OPT(-Wnested-externs)
-AC_CHECK_CC_OPT(-Wdeclaration-after-statement)
-AC_CHECK_CC_OPT(-Wsign-compare)
-
 AC_CONFIG_FILES([makefile])
 AC_OUTPUT