diff --git a/indra/newview/llfloatergesture.cpp b/indra/newview/llfloatergesture.cpp
index 0f8e4c10d78f6e04a614afd8d5db9814068dd584..d51a5d2a035038a1603335e86d09117ea16c9aeb 100644
--- a/indra/newview/llfloatergesture.cpp
+++ b/indra/newview/llfloatergesture.cpp
@@ -168,6 +168,7 @@ LLFloaterGesture::~LLFloaterGesture()
 	LLGestureManager::instance().removeObserver(mObserver);
 	delete mObserver;
 	mObserver = NULL;
+	gInventory.removeObserver(this);
 }
 
 // virtual
diff --git a/indra/newview/llinventoryobserver.cpp b/indra/newview/llinventoryobserver.cpp
index 06f4b36df3021643a311cb1de71053ae7fc977b8..315fce5575d9ded478a21a4c472e231d540ff539 100644
--- a/indra/newview/llinventoryobserver.cpp
+++ b/indra/newview/llinventoryobserver.cpp
@@ -63,6 +63,15 @@
 #include "llsdutil.h"
 #include <deque>
 
+LLInventoryObserver::LLInventoryObserver()
+{
+}
+
+// virtual
+LLInventoryObserver::~LLInventoryObserver()
+{
+}
+
 void LLInventoryCompletionObserver::changed(U32 mask)
 {
 	// scan through the incomplete items and move or erase them as
diff --git a/indra/newview/llinventoryobserver.h b/indra/newview/llinventoryobserver.h
index 73b25a8ed0a7c79beb3821da4411cf28e35b2c0a..4ee6c48cb1e7784ee44abf261e6d93eb4266b63a 100644
--- a/indra/newview/llinventoryobserver.h
+++ b/indra/newview/llinventoryobserver.h
@@ -63,7 +63,8 @@ class LLInventoryObserver
 		CALLING_CARD = 32,	// online, grant status, cancel, etc change
 		ALL = 0xffffffff
 	};
-	virtual ~LLInventoryObserver() {};
+	LLInventoryObserver();
+	virtual ~LLInventoryObserver();
 	virtual void changed(U32 mask) = 0;
 	std::string mMessageName; // used by Agent Inventory Service only. [DEV-20328]
 };