diff --git a/Source/Diagnostics/WarpXOpenPMD.cpp b/Source/Diagnostics/WarpXOpenPMD.cpp
index 45d5dc1cdee..77645425275 100644
--- a/Source/Diagnostics/WarpXOpenPMD.cpp
+++ b/Source/Diagnostics/WarpXOpenPMD.cpp
@@ -16,6 +16,7 @@
 #include "Utils/RelativeCellPosition.H"
 #include "Utils/WarpXAlgorithmSelection.H"
 #include "Utils/WarpXProfilerWrapper.H"
+#include "Utils/WarpXVersion.H"
 #include "WarpX.H"
 #include "OpenPMDHelpFunction.H"
 
@@ -518,7 +519,7 @@ WarpXOpenPMDPlot::Init (openPMD::Access access, bool isBTD)
     uint32_t const openPMD_ED_PIC = 1u;
     m_Series->setOpenPMDextension( openPMD_ED_PIC );
     // meta info
-    m_Series->setSoftware( "WarpX", WarpX::Version() );
+    m_Series->setSoftware( "WarpX", warpx::Version() );
 }
 
 void
diff --git a/Source/Initialization/WarpXInitData.cpp b/Source/Initialization/WarpXInitData.cpp
index 68b38153f8d..0185cfc5bb3 100644
--- a/Source/Initialization/WarpXInitData.cpp
+++ b/Source/Initialization/WarpXInitData.cpp
@@ -31,6 +31,7 @@
 #include "Utils/WarpXConst.H"
 #include "Utils/WarpXProfilerWrapper.H"
 #include "Utils/WarpXUtil.H"
+#include"Utils/WarpXVersion.H"
 #include "Python/callbacks.H"
 
 #include <ablastr/parallelization/MPIInitHelpers.H>
@@ -430,10 +431,10 @@ WarpX::InitData ()
     ablastr::parallelization::check_mpi_thread_level();
 
 #ifdef WARPX_QED
-    Print() << "PICSAR (" << WarpX::PicsarVersion() << ")\n";
+    Print() << "PICSAR (" << warpx::PicsarVersion() << ")\n";
 #endif
 
-    Print() << "WarpX (" << WarpX::Version() << ")\n";
+    Print() << "WarpX (" << warpx::Version() << ")\n";
 
     Print() << utils::logo::get_logo();
 
diff --git a/Source/Python/pyWarpX.cpp b/Source/Python/pyWarpX.cpp
index 26f4c77502d..073b02f07a0 100644
--- a/Source/Python/pyWarpX.cpp
+++ b/Source/Python/pyWarpX.cpp
@@ -76,7 +76,7 @@ PYBIND11_MODULE(PYWARPX_MODULE_NAME, m) {
     m.attr("__version__") = MACRO_STRINGIFY(PYWARPX_VERSION_INFO);
 #else
     // note: not necessarily PEP-440 compliant
-    m.attr("__version__") = WarpX::Version();
+    m.attr("__version__") = warpx::Version();
 #endif
 
     // authors
diff --git a/Source/Utils/WarpXVersion.H.in b/Source/Utils/WarpXVersion.H.in
index 15ec21c86d9..e0ffaf27385 100644
--- a/Source/Utils/WarpXVersion.H.in
+++ b/Source/Utils/WarpXVersion.H.in
@@ -7,6 +7,8 @@
 #ifndef WARPX_VERSION_H_
 #define WARPX_VERSION_H_
 
+#include <string>
+
 #ifndef WARPX_GIT_VERSION
 #   define WARPX_GIT_VERSION "@WarpX_GIT_VERSION@"
 #endif
@@ -15,4 +17,11 @@
 #   define PICSAR_GIT_VERSION "@PXRMP_QED_GIT_VERSION@"
 #endif
 
+namespace warpx
+{
+    [[nodiscard]] std::string Version () noexcept; //!< Version of WarpX executable
+
+    [[nodiscard]] std::string PicsarVersion () noexcept; //!< Version of PICSAR dependency
+}
+
 #endif // WARPX_VERSION_H_
diff --git a/Source/Utils/WarpXVersion.cpp b/Source/Utils/WarpXVersion.cpp
index 41abfebb38c..6874a66bdc1 100644
--- a/Source/Utils/WarpXVersion.cpp
+++ b/Source/Utils/WarpXVersion.cpp
@@ -4,14 +4,9 @@
  *
  * License: BSD-3-Clause-LBNL
  */
-#include "WarpX.H"
 #include "Utils/WarpXVersion.H"
 
-#include <string>
-
-
-std::string
-WarpX::Version ()
+std::string warpx::Version () noexcept
 {
     std::string version;
 #ifdef WARPX_GIT_VERSION
@@ -24,8 +19,7 @@ WarpX::Version ()
     }
 }
 
-std::string
-WarpX::PicsarVersion ()
+std::string warpx::PicsarVersion () noexcept
 {
     std::string version;
 #ifdef PICSAR_GIT_VERSION
diff --git a/Source/WarpX.H b/Source/WarpX.H
index a0a1379d9e2..607075f3d23 100644
--- a/Source/WarpX.H
+++ b/Source/WarpX.H
@@ -106,9 +106,6 @@ public:
     /** Move operator */
     WarpX& operator= ( WarpX && ) = default;
 
-    static std::string Version (); //!< Version of WarpX executable
-    static std::string PicsarVersion (); //!< Version of PICSAR dependency
-
     [[nodiscard]] int Verbose () const { return verbose; }
 
     void InitData ();