diff -r acd345f4f9e5 -r 8c3a44b7ecfc src/share/vm/opto/c2_globals.hpp
--- a/src/share/vm/opto/c2_globals.hpp	Tue May 06 09:56:55 2014 -0400
+++ b/src/share/vm/opto/c2_globals.hpp	Thu Jan 16 10:47:16 2020 +0800
@@ -360,9 +360,6 @@
           "File to dump ideal graph to.  If set overrides the "             \
           "use of the network")                                             \
                                                                             \
-  product(bool, UseOldInlining, true,                                       \
-          "Enable the 1.3 inlining strategy")                               \
-                                                                            \
   product(bool, UseBimorphicInlining, true,                                 \
           "Profiling based inlining for two receivers")                     \
                                                                             \