--- configure.ac.orig
+++ configure.ac
@@ -90,21 +90,6 @@
 
 dnl -fno-unit-at-a-time
 
-OPTIMIZER_FLAGS=""
-
-dnl -ffast-math removed January 12, 2013.  Don't re-add it, nor any of its sub-options(ESPECIALLY not -funsafe-math-optimizations),
-dnl it messes up certain code(NES resampler, for example) under certain conditions and alignments of the great celestial squid.
-dnl
-dnl In fact, let's explicitly disable it here with -fno-fast-math.
-dnl
-AX_CFLAGS_GCC_OPTION([-fno-fast-math], OPTIMIZER_FLAGS)
-AX_CFLAGS_GCC_OPTION([-fno-unsafe-math-optimizations], OPTIMIZER_FLAGS)
-
-AX_CFLAGS_GCC_OPTION([-fomit-frame-pointer], OPTIMIZER_FLAGS)
-AX_CFLAGS_GCC_OPTION([-finline-limit=6000], OPTIMIZER_FLAGS)
-AX_CFLAGS_GCC_OPTION([--param large-function-growth=800], OPTIMIZER_FLAGS)
-AX_CFLAGS_GCC_OPTION([--param inline-unit-growth=175], OPTIMIZER_FLAGS)
-AX_CFLAGS_GCC_OPTION([--param max-inline-insns-single=10000], OPTIMIZER_FLAGS)
 AX_NO_STRICT_OVERFLOW
 
 
@@ -138,8 +123,8 @@
 MDFN_COMPAT_FLAGS=""
 AX_CFLAGS_GCC_OPTION([-fsigned-char], MDFN_COMPAT_FLAGS)
 
-AC_SUBST([AM_CFLAGS], "$MDFN_COMPAT_FLAGS $WARNING_FLAGS $OPTIMIZER_FLAGS $NO_STRICT_OVERFLOW_FLAGS")
-AC_SUBST([AM_CXXFLAGS], "$MDFN_COMPAT_FLAGS $WARNING_FLAGS $OPTIMIZER_FLAGS $NO_STRICT_OVERFLOW_FLAGS")
+AC_SUBST([AM_CFLAGS], "$MDFN_COMPAT_FLAGS $WARNING_FLAGS $NO_STRICT_OVERFLOW_FLAGS")
+AC_SUBST([AM_CXXFLAGS], "$MDFN_COMPAT_FLAGS $WARNING_FLAGS $NO_STRICT_OVERFLOW_FLAGS")
 
 AM_CONDITIONAL(WANT_DEBUGGER, false)