diff --git a/corsika/modules/WMM.hpp b/corsika/modules/WMM.hpp
deleted file mode 100644
index 9c4a790b9fc9d9fa14aa0f70a7eae081a1386306..0000000000000000000000000000000000000000
--- a/corsika/modules/WMM.hpp
+++ /dev/null
@@ -1,122 +0,0 @@
-/*
- * (c) Copyright 2020 CORSIKA Project, corsika-project@lists.kit.edu
- *
- * This software is distributed under the terms of the GNU General Public
- * Licence version 3 (GPL Version 3). See file LICENSE for a full version of
- * the license.
- */
-
-#include <boost/math/special_functions/legendre.hpp>
-#include <cmath>
-#include <corsika/framework/core/Logging.hpp>
-#include <corsika/framework/utility/CorsikaData.hpp>
-#include <fstream>
-#include <iostream>
-using namespace std;
-
-double factorial(int n) {
- double factorial = 1;
- if (n < 0) {
- CORSIKA_LOG_ERROR("Factorial of a negative number does not exist.");
- abort();
- }
- else {
- for(int i = 1; i <= n; ++i) {
- factorial *= i;
- }
- }
- return factorial;
-}
-
-namespace corsika {
- MagneticFieldVector get_wmm(const CoordinateSystemPtr Cs, const double year, const LengthType altitude, const double latitude, const double longitude) {
- if (year < 2020 || year > 2025) {
- CORSIKA_LOG_ERROR("Year has to be between 2020 and 2025.");
- abort();
- }
- if (altitude < -10_km || altitude > 3000_km) {
- CORSIKA_LOG_WARN("Altitude should be between -10_km and 3000_km.");
- }
- if (latitude < -90 || latitude > 90) {
- CORSIKA_LOG_ERROR("Latitude has to be between -90 and 90 degree.");
- abort();
- } else if (latitude < -82 || latitude > 82) {
- CORSIKA_LOG_WARN("Latitude is close to the poles.");
- }
- if (longitude < -180 || longitude > 180) {
- CORSIKA_LOG_ERROR("Longitude has to be between -180 and 180 degree.");
- abort();
- }
-
- double lat_geo = latitude * constants::pi / 180;
- double lon = longitude * constants::pi / 180;
-
- // Transform into spherical coordinates
- const LengthType A = 6378137_m;
- const double f = 1 / 298.257223563;
- const double e_squared = f * (2 - f);
- LengthType R_c = A / sqrt(1 - e_squared * pow(sin(lat_geo), 2));
- LengthType p = (R_c + altitude) * cos(lat_geo);
- LengthType z = sin(lat_geo) * (altitude + R_c * (1 - e_squared));
- LengthType r = sqrt(p * p + z * z);
- double lat_sph = asin(z / r);
-
- const int length = 90;
- double epoch, g[length], h[length], g_dot[length], h_dot[length];
- char model_name[7];
- char release_date[10];
- int n[length], m[length];
- ifstream infile;
-
- // Read in coefficients
- boost::filesystem::path const path = corsika::corsika_data("GeoMag/WMM.COF");
- char mdfile[path.generic_string().size() + 1];
- strcpy(mdfile, path.generic_string().c_str()); //name and path of model file
- infile.open(mdfile);
- // Exit if file opening failed
- if (!infile.is_open()){
- CORSIKA_LOG_ERROR("Failed opening WMM.COF.");
- abort();
- }
-
- infile >> epoch >> model_name >> release_date;
- for (int i = 0; i < length; i++) {
- infile >> n[i] >> m[i] >> g[i] >> h[i] >> g_dot[i] >> h_dot[i];
- // Time interpolation
- g[i] = g[i] + (year - epoch) * g_dot[i];
- h[i] = h[i] + (year - epoch) * h_dot[i];
- }
- infile.close();
-
- double legendre, next_legendre, derivate_legendre;
- double magneticfield[3] = {0, 0, 0};
-
- for (int j = 0; j < length; j++) {
- // cout << assoc_legendre(n[0], m[0], sin(lat_sph)) << endl;
- legendre = boost::math::legendre_p(n[j], m[j], sin(lat_sph));
- next_legendre = boost::math::legendre_p(n[j] + 1, m[j], sin(lat_sph));
-
- // Schmidt semi-normalization and Condon-Shortley phase term
- if (m[j] > 0) {
- legendre *= sqrt(2 * factorial(n[j] - m[j]) / factorial(n[j] + m[j])) * pow(-1, m[j]);
- next_legendre *= sqrt(2 * factorial(n[j] + 1 - m[j]) / factorial(n[j] + 1 + m[j])) * pow(-1, m[j]);
- }
- derivate_legendre = (n[j] + 1) * tan(lat_sph) * legendre - sqrt(pow(n[j] + 1, 2) - pow(m[j], 2)) / cos(lat_sph) * next_legendre;
-
- magneticfield[0] += pow(constants::EarthRadius::Mean / r, n[j] + 2) * (g[j] * cos(m[j] * lon) + h[j] * sin(m[j] * lon)) * derivate_legendre;
- magneticfield[1] += pow(constants::EarthRadius::Mean / r, n[j] + 2) * m[j] * (g[j] * sin(m[j] * lon) - h[j] * cos(m[j] * lon)) * legendre;
- magneticfield[2] += (n[j] + 1) * pow(constants::EarthRadius::Mean / r, n[j] + 2) * (g[j] * cos(m[j] * lon) + h[j] * sin(m[j] * lon)) * legendre;
- }
- magneticfield[0] *= -1;
- magneticfield[1] /= cos(lat_sph);
- magneticfield[2] *= -1;
-
- // Transform back into geodetic coordinates
- double magneticfield_geo[3];
- magneticfield_geo[0] = magneticfield[0] * cos(lat_sph - lat_geo) - magneticfield[2] * sin(lat_sph - lat_geo);
- magneticfield_geo[1] = magneticfield[1];
- magneticfield_geo[2] = magneticfield[0] * sin(lat_sph - lat_geo) + magneticfield[2] * cos(lat_sph - lat_geo);
-
- return MagneticFieldVector{Cs, magneticfield_geo[0] * 1_nT, magneticfield_geo[1] * 1_nT, magneticfield_geo[2] * -1_nT};
- }
-}
\ No newline at end of file