diff --git a/Include/pymath.h b/Include/pymath.h
index dc2c427..e3cf22b 100644
--- a/Include/pymath.h
+++ b/Include/pymath.h
@@ -8,9 +8,9 @@
 functions and constants
 **************************************************************************/
 
-/* Python provides implementations for copysign, acosh, asinh, atanh, 
- * log1p and hypot in Python/pymath.c just in case your math library doesn't
- * provide the functions.
+/* Python provides implementations for copysign, round and hypot in
+ * Python/pymath.c just in case your math library doesn't provide the
+ * functions.
  *
  *Note: PC/pyconfig.h defines copysign as _copysign
  */
@@ -22,22 +22,6 @@
 extern double round(double);
 #endif
 
-#ifndef HAVE_ACOSH
-extern double acosh(double);
-#endif
-
-#ifndef HAVE_ASINH
-extern double asinh(double);
-#endif
-
-#ifndef HAVE_ATANH
-extern double atanh(double);
-#endif
-
-#ifndef HAVE_LOG1P
-extern double log1p(double);
-#endif
-
 #ifndef HAVE_HYPOT
 extern double hypot(double, double);
 #endif