diff --git a/gtsam/geometry/Cal3Bundler.h b/gtsam/geometry/Cal3Bundler.h
index db06c7aca..396659582 100644
--- a/gtsam/geometry/Cal3Bundler.h
+++ b/gtsam/geometry/Cal3Bundler.h
@@ -53,6 +53,8 @@ public:
    */
   Cal3Bundler(double f, double k1, double k2, double u0 = 0, double v0 = 0);
 
+  virtual ~Cal3Bundler() {}
+
   /// @}
   /// @name Testable
   /// @{
diff --git a/gtsam/geometry/Cal3DS2.h b/gtsam/geometry/Cal3DS2.h
index 4179a76e0..56d9d194f 100644
--- a/gtsam/geometry/Cal3DS2.h
+++ b/gtsam/geometry/Cal3DS2.h
@@ -61,6 +61,8 @@ public:
       double k1, double k2, double p1 = 0.0, double p2 = 0.0) :
   fx_(fx), fy_(fy), s_(s), u0_(u0), v0_(v0), k1_(k1), k2_(k2), p1_(p1), p2_(p2) {}
 
+  virtual ~Cal3DS2() {}
+
   /// @}
   /// @name Advanced Constructors
   /// @{