diff --git a/Core/include/Acts/EventData/Seed.hpp b/Core/include/Acts/EventData/Seed.hpp
index db93b319dcb..f3c6707b2e1 100644
--- a/Core/include/Acts/EventData/Seed.hpp
+++ b/Core/include/Acts/EventData/Seed.hpp
@@ -14,8 +14,9 @@
 namespace Acts {
 
 template <typename external_spacepoint_t, std::size_t N = 3ul>
-  requires(N >= 3ul)
 class Seed {
+  static_assert(N >= 3ul);
+
  public:
   using value_type = external_spacepoint_t;
   static constexpr std::size_t DIM = N;
diff --git a/Core/include/Acts/EventData/Seed.ipp b/Core/include/Acts/EventData/Seed.ipp
index 74f2c0e4169..e977a3d67d7 100644
--- a/Core/include/Acts/EventData/Seed.ipp
+++ b/Core/include/Acts/EventData/Seed.ipp
@@ -9,7 +9,6 @@
 namespace Acts {
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 template <typename... args_t>
   requires(sizeof...(args_t) == N) &&
           (std::same_as<external_spacepoint_t, args_t> && ...)
@@ -17,32 +16,27 @@ Seed<external_spacepoint_t, N>::Seed(const args_t&... points)
     : m_spacepoints({&points...}) {}
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 void Seed<external_spacepoint_t, N>::setVertexZ(float vertex) {
   m_vertexZ = vertex;
 }
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 void Seed<external_spacepoint_t, N>::setQuality(float seedQuality) {
   m_seedQuality = seedQuality;
 }
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 const std::array<const external_spacepoint_t*, N>&
 Seed<external_spacepoint_t, N>::sp() const {
   return m_spacepoints;
 }
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 float Seed<external_spacepoint_t, N>::z() const {
   return m_vertexZ;
 }
 
 template <typename external_spacepoint_t, std::size_t N>
-  requires(N >= 3ul)
 float Seed<external_spacepoint_t, N>::seedQuality() const {
   return m_seedQuality;
 }