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-rw-r--r--Modules/mathmodule.c5
1 files changed, 0 insertions, 5 deletions
diff --git a/Modules/mathmodule.c b/Modules/mathmodule.c
index 29c32a30d8..d173bff5c6 100644
--- a/Modules/mathmodule.c
+++ b/Modules/mathmodule.c
@@ -55,11 +55,6 @@ raised for division by zero and mod by zero.
#include "Python.h"
#include "_math.h"
-#ifdef _OSF_SOURCE
-/* OSF1 5.1 doesn't make this available with XOPEN_SOURCE_EXTENDED defined */
-extern double copysign(double, double);
-#endif
-
/*
sin(pi*x), giving accurate results for all finite x (especially x
integral or close to an integer). This is here for use in the