diff --git a/Include/pymath.h b/Include/pymath.h
index e3cf22b..b4eda66 100644
--- a/Include/pymath.h
+++ b/Include/pymath.h
@@ -67,6 +67,7 @@
    nothing. */
 
 /* we take double rounding as evidence of x87 usage */
+#ifndef Py_LIMITED_API
 #ifndef Py_FORCE_DOUBLE
 #  ifdef X87_DOUBLE_ROUNDING
 PyAPI_FUNC(double) _Py_force_double(double);
@@ -75,11 +76,14 @@
 #    define Py_FORCE_DOUBLE(X) (X)
 #  endif
 #endif
+#endif
 
+#ifndef Py_LIMITED_API
 #ifdef HAVE_GCC_ASM_FOR_X87
 PyAPI_FUNC(unsigned short) _Py_get_387controlword(void);
 PyAPI_FUNC(void) _Py_set_387controlword(unsigned short);
 #endif
+#endif
 
 /* Py_IS_NAN(X)
  * Return 1 if float or double arg is a NaN, else 0.