diff --git a/glm/detail/setup.hpp b/glm/detail/setup.hpp
index fb82c209..6be2d79c 100644
--- a/glm/detail/setup.hpp
+++ b/glm/detail/setup.hpp
@@ -321,7 +321,7 @@
 #  define GLM_MATH_CONSTEXPR GLM_CONSTEXPR
 #  define GLM_MATH_BASE_NS gcem
 #else
-#  define GLM_MATH_CONSTEXPR GLM_INLINE
+#  define GLM_MATH_CONSTEXPR
 #  define GLM_MATH_BASE_NS std
 #endif