diff --git a/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.H b/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.H
index 7cc0d178a32..09165519f64 100644
--- a/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.H
+++ b/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.H
@@ -94,8 +94,8 @@ public:
     [[nodiscard]] const amrex::Geometry& GetGeometry (int) const;
     [[nodiscard]] const amrex::Array<FieldBoundaryType,AMREX_SPACEDIM>& GetFieldBoundaryLo () const;
     [[nodiscard]] const amrex::Array<FieldBoundaryType,AMREX_SPACEDIM>& GetFieldBoundaryHi () const;
-    [[nodiscard]] const amrex::Array<amrex::LinOpBCType,AMREX_SPACEDIM> GetLinOpBCLo () const;
-    [[nodiscard]] const amrex::Array<amrex::LinOpBCType,AMREX_SPACEDIM> GetLinOpBCHi () const;
+    [[nodiscard]] amrex::Array<amrex::LinOpBCType,AMREX_SPACEDIM> GetLinOpBCLo () const;
+    [[nodiscard]] amrex::Array<amrex::LinOpBCType,AMREX_SPACEDIM> GetLinOpBCHi () const;
 
 protected:
 
diff --git a/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.cpp b/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.cpp
index b45088d8c92..76f5509e4a6 100644
--- a/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.cpp
+++ b/Source/FieldSolver/ImplicitSolvers/ImplicitSolver.cpp
@@ -19,12 +19,12 @@ const Array<FieldBoundaryType,AMREX_SPACEDIM>& ImplicitSolver::GetFieldBoundaryH
     return m_WarpX->GetFieldBoundaryHi();
 }
 
-const Array<LinOpBCType,AMREX_SPACEDIM> ImplicitSolver::GetLinOpBCLo () const
+Array<LinOpBCType,AMREX_SPACEDIM> ImplicitSolver::GetLinOpBCLo () const
 {
     return convertFieldBCToLinOpBC(m_WarpX->GetFieldBoundaryLo());
 }
 
-const Array<LinOpBCType,AMREX_SPACEDIM> ImplicitSolver::GetLinOpBCHi () const
+Array<LinOpBCType,AMREX_SPACEDIM> ImplicitSolver::GetLinOpBCHi () const
 {
     return convertFieldBCToLinOpBC(m_WarpX->GetFieldBoundaryHi());
 }