diff --git a/include/cantera/numerics/Func1.h b/include/cantera/numerics/Func1.h
index b5734981d..daeed0cfa 100644
--- a/include/cantera/numerics/Func1.h
+++ b/include/cantera/numerics/Func1.h
@@ -819,7 +819,7 @@ protected:
 class Poly1 : public Func1
 {
 public:
-    Poly1(size_t n, doublereal* c) :
+    Poly1(size_t n, const double* c) :
         Func1() {
         m_cpoly.resize(n+1);
         std::copy(c, c+m_cpoly.size(), m_cpoly.begin());
@@ -870,8 +870,8 @@ protected:
 class Fourier1 : public Func1
 {
 public:
-    Fourier1(size_t n, doublereal omega, doublereal a0,
-             doublereal* a, doublereal* b) :
+    Fourier1(size_t n, double omega, double a0,
+             const double* a, const double* b) :
         Func1() {
         m_omega = omega;
         m_a0_2 = 0.5*a0;
@@ -930,7 +930,7 @@ protected:
 class Arrhenius1 : public Func1
 {
 public:
-    Arrhenius1(size_t n, doublereal* c) :
+    Arrhenius1(size_t n, const double* c) :
         Func1() {
         m_A.resize(n);
         m_b.resize(n);
diff --git a/include/cantera/oneD/Sim1D.h b/include/cantera/oneD/Sim1D.h
index 7e7a7722b..127b07ec8 100644
--- a/include/cantera/oneD/Sim1D.h
+++ b/include/cantera/oneD/Sim1D.h
@@ -112,7 +112,7 @@ public:
         return m_x.data();
     }
 
-    void setTimeStep(doublereal stepsize, size_t n, integer* tsteps);
+    void setTimeStep(double stepsize, size_t n, const int* tsteps);
 
     void solve(int loglevel = 0, bool refine_grid = true);
 
diff --git a/include/cantera/zeroD/FlowDevice.h b/include/cantera/zeroD/FlowDevice.h
index 81d340470..f6ab94bbc 100644
--- a/include/cantera/zeroD/FlowDevice.h
+++ b/include/cantera/zeroD/FlowDevice.h
@@ -81,7 +81,7 @@ public:
     //! set parameters. Generic function used only in the Matlab interface. From
     //! Python or C++, device-specific functions like Valve::setPressureCoeff
     //! should be used instead.
-    virtual void setParameters(int n, doublereal* coeffs) {
+    virtual void setParameters(int n, const double* coeffs) {
         m_coeffs.resize(n);
         std::copy(coeffs, coeffs + n, m_coeffs.begin());
     }
diff --git a/src/oneD/Sim1D.cpp b/src/oneD/Sim1D.cpp
index c1ea19a01..c35d79526 100644
--- a/src/oneD/Sim1D.cpp
+++ b/src/oneD/Sim1D.cpp
@@ -201,7 +201,7 @@ void Sim1D::finalize()
     }
 }
 
-void Sim1D::setTimeStep(doublereal stepsize, size_t n, integer* tsteps)
+void Sim1D::setTimeStep(double stepsize, size_t n, const int* tsteps)
 {
     m_tstep = stepsize;
     m_steps.resize(n);