diff --git a/crosstool/cc_toolchain_config.bzl b/crosstool/cc_toolchain_config.bzl
index 77d621c..fd589b6 100644
--- a/crosstool/cc_toolchain_config.bzl
+++ b/crosstool/cc_toolchain_config.bzl
@@ -2431,7 +2431,6 @@ def _impl(ctx):
                 flag_groups = [
                     flag_group(
                         flags = [
-                            "-O1",
                             "-gline-tables-only",
                             "-fno-omit-frame-pointer",
                             "-fno-sanitize-recover=all",