diff --git a/gtsam/discrete/SignatureParser.h b/gtsam/discrete/SignatureParser.h
index 5de8b9a50..ddc548fc6 100644
--- a/gtsam/discrete/SignatureParser.h
+++ b/gtsam/discrete/SignatureParser.h
@@ -21,7 +21,6 @@
 #include <optional>
 #include <string>
 #include <vector>
-#include <gtsam/dllexport.h>
 
 #include <gtsam/dllexport.h>
 
diff --git a/gtsam/geometry/CameraSet.h b/gtsam/geometry/CameraSet.h
index 8621d77ad..950747102 100644
--- a/gtsam/geometry/CameraSet.h
+++ b/gtsam/geometry/CameraSet.h
@@ -273,7 +273,7 @@ class CameraSet : public std::vector<CAMERA, Eigen::aligned_allocator<CAMERA>> {
 
       // Get map from key to location in the new augmented Hessian matrix (the
       // one including only unique keys).
-      std::map<Key, uint32_t> keyToSlotMap;
+      std::map<Key, size_t> keyToSlotMap;
       for (size_t k = 0; k < nrUniqueKeys; k++) {
         keyToSlotMap[hessianKeys[k]] = k;
       }