diff --git a/Exec/SquallLine_2D/prob.H b/Exec/SquallLine_2D/prob.H
index cd4556b6b..90f8f73f5 100644
--- a/Exec/SquallLine_2D/prob.H
+++ b/Exec/SquallLine_2D/prob.H
@@ -84,22 +84,6 @@ public:
 
     amrex::Real compute_theta (amrex::Real z);
 
-    AMREX_FORCE_INLINE
-    AMREX_GPU_HOST_DEVICE
-    amrex::Real compute_relative_humidity (const amrex::Real z,
-                                           const amrex::Real height,
-                                           const amrex::Real z_tr,
-                                           const amrex::Real p_b,
-                                           const amrex::Real T_b);
-
-    AMREX_FORCE_INLINE
-    AMREX_GPU_HOST_DEVICE
-    amrex::Real vapor_mixing_ratio (const amrex::Real z,
-                                    const amrex::Real height,
-                                    const amrex::Real p_b,
-                                    const amrex::Real T_b,
-                                    const amrex::Real RH);
-
     amrex::Real compute_p_k (amrex::Real& p_k,
                              const amrex::Real p_k_minus_1,
                              amrex::Real& theta_k,
diff --git a/Exec/SquallLine_2D/prob.cpp b/Exec/SquallLine_2D/prob.cpp
index 85006ff02..973c924f4 100644
--- a/Exec/SquallLine_2D/prob.cpp
+++ b/Exec/SquallLine_2D/prob.cpp
@@ -53,7 +53,7 @@ Real compute_saturation_pressure (const Real T_b)
 
 AMREX_FORCE_INLINE
 AMREX_GPU_HOST_DEVICE
-Real Problem::compute_relative_humidity (const Real z, const Real height, const Real z_tr, const Real p_b, const Real T_b)
+Real compute_relative_humidity (const Real z, const Real height, const Real z_tr, const Real p_b, const Real T_b)
 {
     Real p_s = compute_saturation_pressure(T_b);
 
@@ -77,7 +77,7 @@ Real compute_vapor_pressure (const Real p_s, const Real RH)
 
 AMREX_FORCE_INLINE
 AMREX_GPU_HOST_DEVICE
-Real Problem::vapor_mixing_ratio (const Real z, const Real height, const Real p_b, const Real T_b, const Real RH)
+Real vapor_mixing_ratio (const Real z, const Real height, const Real p_b, const Real T_b, const Real RH)
 {
     Real p_s = compute_saturation_pressure(T_b);
     Real p_v = compute_vapor_pressure(p_s, RH);