6 files changed, 12 insertions, 9 deletions
diff --git a/embed.fnc b/embed.fnc
index a51f148656..1d89b96332 100644
--- a/embed.fnc
+++ b/embed.fnc
@@ -794,7 +794,8 @@ Ap	|void	|newPROG	|NN OP* o
 Apda	|OP*	|newRANGE	|I32 flags|NN OP* left|NN OP* right
 Apda	|OP*	|newSLICEOP	|I32 flags|NULLOK OP* subscript|NULLOK OP* listop
 Apda	|OP*	|newSTATEOP	|I32 flags|NULLOK char* label|NULLOK OP* o
-Ap	|CV*	|newSUB		|I32 floor|NULLOK OP* o|NULLOK OP* proto|NULLOK OP* block
+Abm	|CV*	|newSUB		|I32 floor|NULLOK OP* o|NULLOK OP* proto \
+				|NULLOK OP* block
 ApM	|CV *	|newXS_flags	|NULLOK const char *name|NN XSUBADDR_t subaddr\
 				|NN const char *const filename \
 				|NULLOK const char *const proto|U32 flags
diff --git a/embed.h b/embed.h
index 279683b192..42515dfd34 100644
--- a/embed.h
+++ b/embed.h
@@ -334,7 +334,6 @@
 #define newRV_noinc(a)		Perl_newRV_noinc(aTHX_ a)
 #define newSLICEOP(a,b,c)	Perl_newSLICEOP(aTHX_ a,b,c)
 #define newSTATEOP(a,b,c)	Perl_newSTATEOP(aTHX_ a,b,c)
-#define newSUB(a,b,c,d)		Perl_newSUB(aTHX_ a,b,c,d)
 #define newSV(a)		Perl_newSV(aTHX_ a)
 #define newSVOP(a,b,c)		Perl_newSVOP(aTHX_ a,b,c)
 #define newSVREF(a)		Perl_newSVREF(aTHX_ a)
diff --git a/mathoms.c b/mathoms.c
index dac7eae465..32f3215de5 100644
--- a/mathoms.c
+++ b/mathoms.c
@@ -83,6 +83,7 @@ PERL_CALLCONV I32 Perl_my_lstat(pTHX);
 PERL_CALLCONV I32 Perl_sv_eq(pTHX_ register SV *sv1, register SV *sv2);
 PERL_CALLCONV char * Perl_sv_collxfrm(pTHX_ SV *const sv, STRLEN *const nxp);
 PERL_CALLCONV bool Perl_sv_2bool(pTHX_ register SV *const sv);
+PERL_CALLCONV CV * Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block);
 
 /* ref() is now a macro using Perl_doref;
  * this version provided for binary compatibility only.
@@ -1582,6 +1583,12 @@ Perl_custom_op_desc(pTHX_ const OP* o)
     PERL_ARGS_ASSERT_CUSTOM_OP_DESC;
     return XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_desc);
 }
+
+CV *
+Perl_newSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *block)
+{
+    return Perl_newATTRSUB(aTHX_ floor, o, proto, NULL, block);
+}
 #endif /* NO_MATHOMS */
 
 /*
diff --git a/op.c b/op.c
index 98adf8c18f..2e974fd3fd 100644
--- a/op.c
+++ b/op.c
@@ -6056,12 +6056,6 @@ Perl_newMYSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 }
 
 CV *
-Perl_newSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *block)
-{
-    return Perl_newATTRSUB(aTHX_ floor, o, proto, NULL, block);
-}
-
-CV *
 Perl_newATTRSUB(pTHX_ I32 floor, OP *o, OP *proto, OP *attrs, OP *block)
 {
     dVAR;
diff --git a/op.h b/op.h
index 9a5ec94d08..c011d661f9 100644
--- a/op.h
+++ b/op.h
@@ -852,6 +852,8 @@ one of the OA_* constants from op.h.
 		     ? XopENTRY(Perl_custom_op_xop(aTHX_ o), xop_class) \
 		     : (PL_opargs[(o)->op_type] & OA_CLASS_MASK))
 
+#define newSUB(f, o, p, b)	Perl_newATTRSUB(aTHX_ (f), (o), (p), NULL, (b))
+
 #ifdef PERL_MAD
 #  define MAD_NULL 1
 #  define MAD_PV 2
diff --git a/proto.h b/proto.h
index 069c5eb5b6..6679e59dd4 100644
--- a/proto.h
+++ b/proto.h
@@ -2548,7 +2548,7 @@ PERL_CALLCONV OP*	Perl_newSTATEOP(pTHX_ I32 flags, char* label, OP* o)
 			__attribute__malloc__
 			__attribute__warn_unused_result__;
 
-PERL_CALLCONV CV*	Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block);
+/* PERL_CALLCONV CV*	Perl_newSUB(pTHX_ I32 floor, OP* o, OP* proto, OP* block); */
 PERL_CALLCONV SV*	Perl_newSV(pTHX_ const STRLEN len)
 			__attribute__malloc__
 			__attribute__warn_unused_result__;