diff --git a/octotiger/unitiger/physics_impl.hpp b/octotiger/unitiger/physics_impl.hpp
index 004f6197..fd7af8b5 100644
--- a/octotiger/unitiger/physics_impl.hpp
+++ b/octotiger/unitiger/physics_impl.hpp
@@ -146,47 +146,6 @@ void physics<NDIM>::to_prim(std::vector<safe_real> u, safe_real &p, safe_real &v
 	cs = SQRT(z);
 }
 
-template<int NDIM>
-void physics<NDIM>::to_prim_experimental(const std::vector<double> &u, double &p, double &v, double &cs, const int dim) noexcept {
-	const auto rho = u[rho_i];
-	const auto rhoinv = (1.) / rho;
-	double hdeg = 0.0, pdeg = 0.0, edeg = 0.0, dpdeg_drho = 0.0;
-
-	// all workitems choose the same path
-	if (A_ != 0.0) {
-		const auto Binv = 1.0 / B_;
-		const auto x = std::pow(rho * Binv, 1.0 / 3.0);
-		const auto x_sqr = x * x;
-		const auto x_sqr_sqrt = std::sqrt(x_sqr + 1.0);
-		const auto x_pow_5 = x_sqr * x_sqr * x;
-		hdeg = 8.0 * A_ * Binv * (x_sqr_sqrt - 1.0);
-        if (x < 0.001) {
-            pdeg = 1.6 * A_ * x_pow_5;
-        } else {
-            pdeg = A_ * (x * (2 * x_sqr - 3) * x_sqr_sqrt + 3 * asinh(x));
-        }
-        if (x > 0.001) {
-			edeg = rho * hdeg - pdeg;
-		} else {
-			edeg = 2.4 * A_ * x_pow_5 ;
-		}
-		dpdeg_drho = 8.0 / 3.0 * A_ * Binv * x_sqr / x_sqr_sqrt;
-	}
-	double ek = 0.0;
-	for (int dim = 0; dim < NDIM; dim++) {
-		ek += u[sx_i + dim] * u[sx_i + dim] * rhoinv * 0.5;
-	}
-	auto ein = u[egas_i] - ek - edeg;
-	if (ein < de_switch_1 * u[egas_i]) {
-		ein = pow(u[tau_i], fgamma_);
-	}
-	const double dp_drho = dpdeg_drho + (fgamma_ - 1.0) * ein * rhoinv;
-	const double dp_deps = (fgamma_ - 1.0) * rho;
-	v = u[sx_i + dim] * rhoinv;
-	p = (fgamma_ - 1.0) * ein + pdeg;
-	cs = std::sqrt(p * rhoinv * rhoinv * dp_deps + dp_drho);
-}
-
 template<int NDIM>
 template<int INX>
 void physics<NDIM>::physical_flux(const std::vector<safe_real> &U, std::vector<safe_real> &F, int dim, safe_real &am, safe_real &ap,
@@ -211,31 +170,6 @@ void physics<NDIM>::physical_flux(const std::vector<safe_real> &U, std::vector<s
 		}
 	}
 }
-template<int NDIM>
-template<int INX>
-void physics<NDIM>::physical_flux_experimental(const std::vector<safe_real> &U, std::vector<safe_real> &F, int dim, safe_real &am, safe_real &ap,
-		std::array<safe_real, NDIM> &x, std::array<safe_real, NDIM> &vg) {
-	static const cell_geometry<NDIM, INX> geo;
-	static constexpr auto levi_civita = geo.levi_civita();
-	safe_real p, v, v0, c;
-	to_prim_experimental(U, p, v0, c, dim);
-	// to_prim(U, p, v0, c, dim);
-	v = v0 - vg[dim];
-	am = v - c;
-	ap = v + c;
-#pragma ivdep
-	for (int f = 0; f < nf_; f++) {
-		F[f] = v * U[f];
-	}
-	F[sx_i + dim] += p;
-	F[egas_i] += v0 * p;
-	for (int n = 0; n < geo.NANGMOM; n++) {
-#pragma ivdep
-		for (int m = 0; m < NDIM; m++) {
-			F[lx_i + n] += levi_civita[n][m][dim] * x[m] * p;
-		}
-	}
-}
 
 template<int NDIM>
 template<int INX>