diff --git a/Applications/FileIO/Gmsh/GMSHInterface.cpp b/Applications/FileIO/Gmsh/GMSHInterface.cpp
index 8b56c2eb60b4e5332f47cd9c17e668329aa28521..9be11b0ca9a4d3c194a595096ca2e88546182abe 100644
--- a/Applications/FileIO/Gmsh/GMSHInterface.cpp
+++ b/Applications/FileIO/Gmsh/GMSHInterface.cpp
@@ -75,9 +75,6 @@ GMSHInterface::~GMSHInterface()
 bool GMSHInterface::write()
 {
     _out << "// GMSH input file created by OpenGeoSys " << BaseLib::BuildInfo::ogs_version;
-#ifdef BUILD_TIMESTAMP
-    _out << " built on " << BaseLib::BuildInfo::build_timestamp;
-#endif
     _out << "\n\n";
 
     return writeGMSHInputFile(_out) <= 0;
diff --git a/BaseLib/BuildInfo.cpp.in b/BaseLib/BuildInfo.cpp.in
index a6eb516b9d257512fe8e251de56f410f737a341b..fb8ac40d3f6d7b7711cd2809260bc0d2789ea3a0 100644
--- a/BaseLib/BuildInfo.cpp.in
+++ b/BaseLib/BuildInfo.cpp.in
@@ -16,9 +16,6 @@ namespace BaseLib
 
 namespace BuildInfo
 {
-
-    const std::string build_timestamp("@BUILD_TIMESTAMP@");
-
     const std::string cmake_cxx_compiler("@CMAKE_CXX_COMPILER@");
     const std::string cmake_cxx_flags("@CMAKE_CXX_FLAGS@");
     const std::string cmake_cxx_flags_release("@CMAKE_CXX_FLAGS_RELEASE@");
diff --git a/BaseLib/BuildInfo.h b/BaseLib/BuildInfo.h
index 08e067764ae7e987f315a13f181b4deac8a843cf..e4e16a84235be595cd78ff820d63d32ee95cc81c 100644
--- a/BaseLib/BuildInfo.h
+++ b/BaseLib/BuildInfo.h
@@ -20,8 +20,6 @@ namespace BaseLib
 
 namespace BuildInfo
 {
-    extern BASELIB_EXPORT const std::string build_timestamp;
-
     extern BASELIB_EXPORT const std::string cmake_cxx_compiler;
     extern BASELIB_EXPORT const std::string cmake_cxx_flags;
     extern BASELIB_EXPORT const std::string cmake_cxx_flags_release;