diff --git a/build_tools/make_buildopts_h b/build_tools/make_buildopts_h
index 94fbb9d4ce..5a0ec8b51c 100755
--- a/build_tools/make_buildopts_h
+++ b/build_tools/make_buildopts_h
@@ -50,7 +50,7 @@ MENUSELECT_CFLAGS=$( echo "$MENUSELECT_CFLAGS" | \
 FILTER_OUT="\
 AO2_DEBUG|BETTER_BACKTRACES|BUILD_NATIVE|\
 COMPILE_DOUBLE|DEBUG_CHAOS|DEBUG_SCHEDULER|\
-DETECT_DEADLOCKS|DONT_OPTIMIZE|DUMP_SCHEDULER|\
+DONT_OPTIMIZE|DUMP_SCHEDULER|\
 LOTS_OF_SPANS|MALLOC_DEBUG|RADIO_RELAX|\
 REBUILD_PARSERS|REF_DEBUG|USE_HOARD_ALLOCATOR"