diff --git a/MozillaFirefox.spec b/MozillaFirefox.spec
index 21e4860..2c19112 100644
--- a/MozillaFirefox.spec
+++ b/MozillaFirefox.spec
@@ -513,9 +513,9 @@ ac_add_options --enable-optimize="-O1"
 %ifarch x86_64
 # LTO needs newer toolchain stack only (at least GCC 8.2.1 (r268506)
 %if 0%{?suse_version} > 1500
-ac_add_options --enable-lto
+#ac_add_options --enable-lto
 %if 0%{?do_profiling}
-ac_add_options MOZ_PGO=1
+#ac_add_options MOZ_PGO=1
 %endif
 %endif
 %endif