diff --git a/include/fast_float/fast_float.h b/include/fast_float/fast_float.h
index e316f701..a190d7c8 100644
--- a/include/fast_float/fast_float.h
+++ b/include/fast_float/fast_float.h
@@ -60,10 +60,8 @@ from_chars_advanced(UC const *first, UC const *last, T &value,
  */
 FASTFLOAT_CONSTEXPR20 inline double
 integer_times_pow10(uint64_t mantissa, int decimal_exponent) noexcept;
-FASTFLOAT_CONSTEXPR20 inline
-    typename std::enable_if<is_supported_float_type<double>::value,
-                            double>::type
-    integer_times_pow10(int64_t mantissa, int decimal_exponent) noexcept;
+FASTFLOAT_CONSTEXPR20 inline double
+integer_times_pow10(int64_t mantissa, int decimal_exponent) noexcept;
 
 /**
  * from_chars for integer types.