diff --git a/src/core/include/units/magnitude.h b/src/core/include/units/magnitude.h
index 8a000fca..7427e9dd 100644
--- a/src/core/include/units/magnitude.h
+++ b/src/core/include/units/magnitude.h
@@ -259,12 +259,6 @@ struct pi_base {
   static constexpr long double value = std::numbers::pi_v<long double>;
 };
 
-/**
- * @brief  A simple way to create a Magnitude representing a rational power of pi.
- */
-template<ratio Power>
-constexpr auto pi_to_the() { return magnitude<base_power<pi_base>{Power}>{}; }
-
 ////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
 // Magnitude equality implementation.
 
diff --git a/test/unit_test/runtime/magnitude_test.cpp b/test/unit_test/runtime/magnitude_test.cpp
index df1afee7..f37a5cee 100644
--- a/test/unit_test/runtime/magnitude_test.cpp
+++ b/test/unit_test/runtime/magnitude_test.cpp
@@ -34,6 +34,9 @@ struct other_noncanonical_two_base { static constexpr long double value = 2.0L;
 struct invalid_zero_base { static constexpr long double value = 0.0L; };
 struct invalid_negative_base { static constexpr long double value = -1.234L; };
 
+template<ratio Power>
+constexpr auto pi_to_the() { return magnitude<base_power<pi_base>{Power}>{}; }
+
 TEST_CASE("base_power")
 {
   SECTION("base rep deducible for integral base")