diff --git a/include/cantera/kinetics/RxnRates.h b/include/cantera/kinetics/RxnRates.h
index ddd18d9d3..e9349f0e5 100644
--- a/include/cantera/kinetics/RxnRates.h
+++ b/include/cantera/kinetics/RxnRates.h
@@ -11,6 +11,7 @@
 #include "cantera/kinetics/reaction_defs.h"
 #include "cantera/base/ctexceptions.h"
 #include "cantera/base/stringUtils.h"
+#include "cantera/base/global.h"
 
 #include <iostream>
 
@@ -31,7 +32,12 @@ class Arrhenius
 {
 public:
     //! return the rate coefficient type.
+    /*!
+     * @deprecated To be removed after Cantera 2.5.
+     */
     static int type() {
+        warn_deprecated("Arrhenius::type()",
+            "To be removed after Cantera 2.5.");
         return ARRHENIUS_REACTION_RATECOEFF_TYPE;
     }
 
@@ -119,7 +125,12 @@ class SurfaceArrhenius
 {
 
 public:
+    /*!
+     * @deprecated To be removed after Cantera 2.5.
+     */
     static int type() {
+        warn_deprecated("SurfaceArrhenius::type()",
+            "To be removed after Cantera 2.5.");
         return SURF_ARRHENIUS_REACTION_RATECOEFF_TYPE;
     }
 
@@ -211,7 +222,12 @@ class Plog
 {
 public:
     //! return the rate coefficient type.
+    /*!
+     * @deprecated To be removed after Cantera 2.5.
+     */
     static int type() {
+        warn_deprecated("Plog::type()",
+            "To be removed after Cantera 2.5.");
         return PLOG_REACTION_RATECOEFF_TYPE;
     }
 
@@ -340,7 +356,12 @@ class ChebyshevRate
 {
 public:
     //! return the rate coefficient type.
+    /*!
+     * @deprecated To be removed after Cantera 2.5.
+     */
     static int type() {
+        warn_deprecated("ChebyshevRate::type()",
+            "To be removed after Cantera 2.5.");
         return CHEBYSHEV_REACTION_RATECOEFF_TYPE;
     }
 
diff --git a/include/cantera/kinetics/reaction_defs.h b/include/cantera/kinetics/reaction_defs.h
index 3fcf728e9..e9eabac16 100644
--- a/include/cantera/kinetics/reaction_defs.h
+++ b/include/cantera/kinetics/reaction_defs.h
@@ -116,6 +116,9 @@ const int GLOBAL_RXN = 30;
  *
  * Note that not all of these are currently implemented!
  * @todo Finish implementing reaction rate types.
+ *
+ * Magic numbers
+ * @deprecated To be removed after Cantera 2.5.
  */
 //@{