diff --git a/makedef.pl b/makedef.pl
index ae453a64a6f9..41cfecbf955d 100644
--- a/makedef.pl
+++ b/makedef.pl
@@ -470,14 +470,6 @@ sub readvar {
                 );
 }
 
-unless ($define{'PERL_NEED_APPCTX'}) {
-    ++$skip{PL_appctx};
-}
-
-unless ($define{'PERL_NEED_TIMESBASE'}) {
-    ++$skip{PL_timesbase};
-}
-
 unless ($define{'DEBUG_LEAKING_SCALARS'}) {
     ++$skip{PL_sv_serial};
 }
diff --git a/perl.c b/perl.c
index 876852b285df..9f0f23030168 100644
--- a/perl.c
+++ b/perl.c
@@ -416,13 +416,6 @@ perl_construct(pTHXx)
     }
 #endif /* HAS_MMAP */
 
-#if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE)
-    PL_timesbase.tms_utime  = 0;
-    PL_timesbase.tms_stime  = 0;
-    PL_timesbase.tms_cutime = 0;
-    PL_timesbase.tms_cstime = 0;
-#endif
-
     PL_osname = Perl_savepvn(aTHX_ STR_WITH_LEN(OSNAME));
 
     PL_registered_mros = newHV();
diff --git a/perl.h b/perl.h
index 8ae8829fdb02..2007baefd3e7 100644
--- a/perl.h
+++ b/perl.h
@@ -4989,12 +4989,6 @@ EXTCONST char PL_bincompat_options[] =
 #  ifdef PERL_MICRO
 			     " PERL_MICRO"
 #  endif
-#  ifdef PERL_NEED_APPCTX
-			     " PERL_NEED_APPCTX"
-#  endif
-#  ifdef PERL_NEED_TIMESBASE
-			     " PERL_NEED_TIMESBASE"
-#  endif
 #  ifdef PERL_POISON
 			     " PERL_POISON"
 #  endif
diff --git a/perlvars.h b/perlvars.h
index 129e13d1700b..760cb5c0d02d 100644
--- a/perlvars.h
+++ b/perlvars.h
@@ -173,14 +173,6 @@ destruction. (Use of C<PL_dirty> is discouraged since 5.14.)
 PERLVAR(G, check_mutex,	perl_mutex)	/* Mutex for PL_check */
 #endif
 
-#ifdef PERL_NEED_APPCTX
-PERLVAR(G, appctx,	void*)		/* the application context */
-#endif
-
-#if defined(HAS_TIMES) && defined(PERL_NEED_TIMESBASE)
-PERLVAR(G, timesbase,	struct tms)
-#endif
-
 /* allocate a unique index to every module that calls MY_CXT_INIT */
 
 #ifdef PERL_IMPLICIT_CONTEXT