diff --git a/src/hydro/hydro_driver.hpp b/src/hydro/hydro_driver.hpp
index 5bdfa36a..5cad801c 100644
--- a/src/hydro/hydro_driver.hpp
+++ b/src/hydro/hydro_driver.hpp
@@ -27,9 +27,6 @@ class HydroDriver : public MultiStageDriver {
   auto MakeTaskCollection(BlockList_t &blocks, int stage) -> TaskCollection;
 };
 
-TaskStatus CalculateCoolingRateProfile(MeshData<Real> *md);
-KOKKOS_FORCEINLINE_FUNCTION auto computeCoolingRate(Real rho, Real P) -> Real;
-
 } // namespace Hydro
 
 #endif // HYDRO_HYDRO_DRIVER_HPP_