diff --git a/panda/src/event/eventParameter.I b/panda/src/event/eventParameter.I
index 3b2ee70bcf..fbe9aedba9 100644
--- a/panda/src/event/eventParameter.I
+++ b/panda/src/event/eventParameter.I
@@ -105,6 +105,15 @@ operator = (const EventParameter &other) {
   return *this;
 }
 
+////////////////////////////////////////////////////////////////////
+//     Function: EventParameter::Destructor
+//       Access: Public
+//  Description:
+////////////////////////////////////////////////////////////////////
+INLINE EventParameter::
+~EventParameter() {
+}
+
 ////////////////////////////////////////////////////////////////////
 //     Function: EventParameter::is_empty
 //       Access: Public
diff --git a/panda/src/event/eventParameter.h b/panda/src/event/eventParameter.h
index d92b3e8fbe..d98ac02ca5 100644
--- a/panda/src/event/eventParameter.h
+++ b/panda/src/event/eventParameter.h
@@ -50,6 +50,7 @@ PUBLISHED:
 
   INLINE EventParameter(const EventParameter &copy);
   INLINE EventParameter &operator = (const EventParameter &copy);
+  INLINE ~EventParameter();
 
   // These functions are conveniences to easily determine if the
   // EventParameter is one of the predefined parameter types, and
diff --git a/panda/src/express/threadNsprImpl.h b/panda/src/express/threadNsprImpl.h
index 1c665d4474..b93bf28eee 100644
--- a/panda/src/express/threadNsprImpl.h
+++ b/panda/src/express/threadNsprImpl.h
@@ -40,7 +40,7 @@ class Thread;
 class EXPCL_PANDAEXPRESS ThreadNsprImpl {
 public:
   INLINE ThreadNsprImpl(Thread *parent_obj);
-  INLINE ~ThreadNsprImpl();
+  ~ThreadNsprImpl();
 
   bool start(ThreadPriority priority, bool global, bool joinable);
   void interrupt();