diff --git a/src/apps/debuganalyzer/gui/table/AbstractTable.cpp b/src/apps/debuganalyzer/gui/table/AbstractTable.cpp
index c548a65827..d4a2447fef 100644
--- a/src/apps/debuganalyzer/gui/table/AbstractTable.cpp
+++ b/src/apps/debuganalyzer/gui/table/AbstractTable.cpp
@@ -109,7 +109,7 @@ AbstractTable::AbstractTable(const char* name, uint32 flags,
 	border_style borderStyle, bool showHorizontalScrollbar)
 	:
 	BColumnListView(name, flags, borderStyle, showHorizontalScrollbar),
-	fColumns(20, true)
+	fColumns(20, false)
 {
 }
 
diff --git a/src/apps/debuganalyzer/gui/table/Table.cpp b/src/apps/debuganalyzer/gui/table/Table.cpp
index 059d5d18bf..fb17d10345 100644
--- a/src/apps/debuganalyzer/gui/table/Table.cpp
+++ b/src/apps/debuganalyzer/gui/table/Table.cpp
@@ -402,9 +402,6 @@ Table::Table(TableModel* model, const char* name, uint32 flags,
 
 Table::~Table()
 {
-	for (int32 i = CountColumns() - 1; i >= 0; i--)
-		RemoveColumn(ColumnAt(i));
-
 	// rows are deleted by the BColumnListView destructor automatically
 }
 
diff --git a/src/apps/debuganalyzer/gui/table/TreeTable.cpp b/src/apps/debuganalyzer/gui/table/TreeTable.cpp
index 7c4eaaa1aa..4a75e48f5c 100644
--- a/src/apps/debuganalyzer/gui/table/TreeTable.cpp
+++ b/src/apps/debuganalyzer/gui/table/TreeTable.cpp
@@ -688,6 +688,7 @@ TreeTable::TreeTable(TreeTableModel* model, const char* name, uint32 flags,
 	:
 	AbstractTable(name, flags, borderStyle, showHorizontalScrollbar),
 	fModel(NULL),
+	fToolTipProvider(NULL),
 	fRootNode(NULL),
 	fSelectionModel(this),
 	fIgnoreSelectionChange(0)
@@ -699,9 +700,6 @@ TreeTable::TreeTable(TreeTableModel* model, const char* name, uint32 flags,
 TreeTable::~TreeTable()
 {
 	SetTreeTableModel(NULL);
-
-	for (int32 i = CountColumns() - 1; i >= 0; i--)
-		RemoveColumn(ColumnAt(i));
 }
 
 
diff --git a/src/apps/debugger/Debugger.cpp b/src/apps/debugger/Debugger.cpp
index 2519781402..9f05d45f0a 100644
--- a/src/apps/debugger/Debugger.cpp
+++ b/src/apps/debugger/Debugger.cpp
@@ -433,8 +433,7 @@ Debugger::MessageReceived(BMessage* message)
 			status_t error = interface->StartTeamDebugger(options);
 			if (error != B_OK) {
 				// TODO: notify user.
-			} else
-				uiReference.Detach();
+			}
 			break;
 		}
 		case MSG_START_NEW_TEAM:
@@ -605,7 +604,6 @@ Debugger::_StartNewTeam(TargetHostInterface* interface, const char* path,
 	status_t error = interface->StartTeamDebugger(options);
 	if (error == B_OK) {
 		deleter.Detach();
-		uiReference.Detach();
 	}
 
 	return error;
@@ -624,11 +622,7 @@ Debugger::_HandleOptions(const Options& options)
 	BReference<UserInterface> uiReference(debuggerOptions.userInterface, true);
 	TargetHostInterface* hostInterface
 		= TargetHostInterfaceRoster::Default()->ActiveInterfaceAt(0);
-	status_t error = hostInterface->StartTeamDebugger(debuggerOptions);
-	if (error == B_OK)
-		uiReference.Detach();
-
-	return error;
+	return hostInterface->StartTeamDebugger(debuggerOptions);
 }
 
 
diff --git a/src/apps/debugger/user_interface/gui/GraphicalUserInterface.cpp b/src/apps/debugger/user_interface/gui/GraphicalUserInterface.cpp
index a6e50afdc9..9d7bc96a2f 100644
--- a/src/apps/debugger/user_interface/gui/GraphicalUserInterface.cpp
+++ b/src/apps/debugger/user_interface/gui/GraphicalUserInterface.cpp
@@ -138,6 +138,7 @@ GraphicalUserInterface::~GraphicalUserInterface()
 {
 	delete fTeamWindowMessenger;
 	delete fFilePanel;
+	delete fFilePanelHandler;
 }
 
 
diff --git a/src/apps/debugger/user_interface/gui/team_window/SourceView.cpp b/src/apps/debugger/user_interface/gui/team_window/SourceView.cpp
index 2d964fbf49..4cb2317e9c 100644
--- a/src/apps/debugger/user_interface/gui/team_window/SourceView.cpp
+++ b/src/apps/debugger/user_interface/gui/team_window/SourceView.cpp
@@ -2034,6 +2034,7 @@ SourceView::SourceView(Team* team, Listener* listener)
 	fStackTrace(NULL),
 	fStackFrame(NULL),
 	fSourceCode(NULL),
+	fMarkerManager(NULL),
 	fMarkerView(NULL),
 	fTextView(NULL),
 	fListener(listener),
@@ -2052,6 +2053,8 @@ SourceView::~SourceView()
 	SetStackFrame(NULL);
 	SetStackTrace(NULL, NULL);
 	SetSourceCode(NULL);
+
+	delete fMarkerManager;
 }
 
 
diff --git a/src/apps/debugger/user_interface/gui/value/ValueHandlerRoster.cpp b/src/apps/debugger/user_interface/gui/value/ValueHandlerRoster.cpp
index fbd89be54e..461e4c6fcf 100644
--- a/src/apps/debugger/user_interface/gui/value/ValueHandlerRoster.cpp
+++ b/src/apps/debugger/user_interface/gui/value/ValueHandlerRoster.cpp
@@ -24,13 +24,16 @@
 
 ValueHandlerRoster::ValueHandlerRoster()
 	:
-	fLock("value handler roster")
+	fLock("value handler roster"),
+	fValueHandlers(20, false)
 {
 }
 
 
 ValueHandlerRoster::~ValueHandlerRoster()
 {
+	for(int32 i = 0; ValueHandler* handler = fValueHandlers.ItemAt(i); i++)
+		handler->ReleaseReference();
 }
 
 /*static*/ ValueHandlerRoster*
diff --git a/src/kits/debugger/debug_info/GlobalTypeLookup.cpp b/src/kits/debugger/debug_info/GlobalTypeLookup.cpp
index e9d83fc883..509f65ed47 100644
--- a/src/kits/debugger/debug_info/GlobalTypeLookup.cpp
+++ b/src/kits/debugger/debug_info/GlobalTypeLookup.cpp
@@ -114,6 +114,9 @@ GlobalTypeCache::~GlobalTypeCache()
 			entry = nextEntry;
 		}
 	}
+
+	delete fTypesByName;
+	delete fTypesByID;
 }
 
 
diff --git a/src/kits/debugger/debug_info/ImageDebugLoadingStateHandlerRoster.cpp b/src/kits/debugger/debug_info/ImageDebugLoadingStateHandlerRoster.cpp
index 8745d218cf..26fa2329e6 100644
--- a/src/kits/debugger/debug_info/ImageDebugLoadingStateHandlerRoster.cpp
+++ b/src/kits/debugger/debug_info/ImageDebugLoadingStateHandlerRoster.cpp
@@ -23,13 +23,18 @@
 
 ImageDebugLoadingStateHandlerRoster::ImageDebugLoadingStateHandlerRoster()
 	:
-	fLock("type handler roster")
+	fLock("loading state handler roster"),
+	fStateHandlers(20, false)
 {
 }
 
 
 ImageDebugLoadingStateHandlerRoster::~ImageDebugLoadingStateHandlerRoster()
 {
+	for (int32 i = 0; ImageDebugLoadingStateHandler* handler
+			= fStateHandlers.ItemAt(i); i++) {
+		handler->ReleaseReference();
+	}
 }
 
 
diff --git a/src/kits/debugger/target_host_interface/TargetHostInterfaceRoster.cpp b/src/kits/debugger/target_host_interface/TargetHostInterfaceRoster.cpp
index 777cf1003e..6851fa635a 100644
--- a/src/kits/debugger/target_host_interface/TargetHostInterfaceRoster.cpp
+++ b/src/kits/debugger/target_host_interface/TargetHostInterfaceRoster.cpp
@@ -32,6 +32,16 @@ TargetHostInterfaceRoster::TargetHostInterfaceRoster()
 
 TargetHostInterfaceRoster::~TargetHostInterfaceRoster()
 {
+	for (int32 i = 0; TargetHostInterfaceInfo* info
+			= fInterfaceInfos.ItemAt(i); i++) {
+		info->ReleaseReference();
+	}
+
+	for (int32 i = 0; TargetHostInterface* interface
+			= fActiveInterfaces.ItemAt(i); i++) {
+		if (interface->Lock())
+			interface->Quit();
+	}
 }
 
 
@@ -185,6 +195,7 @@ TargetHostInterfaceRoster::TargetHostInterfaceQuit(
 {
 	AutoLocker<TargetHostInterfaceRoster> locker(this);
 	fActiveInterfaces.RemoveItem(interface);
+
 }
 
 
diff --git a/src/kits/debugger/target_host_interface/network/NetworkTargetHostInterfaceInfo.cpp b/src/kits/debugger/target_host_interface/network/NetworkTargetHostInterfaceInfo.cpp
index 4dabc55161..31dc3df85c 100644
--- a/src/kits/debugger/target_host_interface/network/NetworkTargetHostInterfaceInfo.cpp
+++ b/src/kits/debugger/target_host_interface/network/NetworkTargetHostInterfaceInfo.cpp
@@ -26,7 +26,8 @@ NetworkTargetHostInterfaceInfo::NetworkTargetHostInterfaceInfo()
 
 NetworkTargetHostInterfaceInfo::~NetworkTargetHostInterfaceInfo()
 {
-	delete fDescription;
+	if (fDescription != NULL)
+		fDescription->ReleaseReference();
 }
 
 
@@ -39,21 +40,20 @@ NetworkTargetHostInterfaceInfo::Init()
 
 	Setting* setting = new(std::nothrow) StringSettingImpl(kHostnameSetting,
 		"Hostname", "");
+	BReference<Setting> settingsReference(setting, true);
 	if (setting == NULL)
 		return B_NO_MEMORY;
-	ObjectDeleter<Setting> settingDeleter(setting);
 	if (!fDescription->AddSetting(setting))
 		return B_NO_MEMORY;
 
-	settingDeleter.Detach();
 	setting = new(std::nothrow) BoundedSettingImpl(kPortSetting, "Port",
 		(uint16)1, (uint16)65535, (uint16)8305);
 	if (setting == NULL)
 		return B_NO_MEMORY;
-	if (!fDescription->AddSetting(setting)) {
-		delete setting;
+
+	settingsReference.SetTo(setting, true);
+	if (!fDescription->AddSetting(setting))
 		return B_NO_MEMORY;
-	}
 
 	return B_OK;
 }
diff --git a/src/kits/debugger/value/TypeHandlerRoster.cpp b/src/kits/debugger/value/TypeHandlerRoster.cpp
index 985d03cb0d..4924d33fe2 100644
--- a/src/kits/debugger/value/TypeHandlerRoster.cpp
+++ b/src/kits/debugger/value/TypeHandlerRoster.cpp
@@ -73,6 +73,8 @@ TypeHandlerRoster::TypeHandlerRoster()
 
 TypeHandlerRoster::~TypeHandlerRoster()
 {
+	for (int32 i = 0; TypeHandler* handler = fTypeHandlers.ItemAt(i); i++)
+		handler->ReleaseReference();
 }
 
 /*static*/ TypeHandlerRoster*
diff --git a/src/kits/debugger/value/ValueNodeContainer.cpp b/src/kits/debugger/value/ValueNodeContainer.cpp
index 1fbb4e198e..4528540ecb 100644
--- a/src/kits/debugger/value/ValueNodeContainer.cpp
+++ b/src/kits/debugger/value/ValueNodeContainer.cpp
@@ -16,7 +16,9 @@
 
 ValueNodeContainer::ValueNodeContainer()
 	:
-	fLock("value node container")
+	fLock("value node container"),
+	fChildren(20, false),
+	fListeners(20, false)
 {
 }
 
@@ -24,6 +26,7 @@ ValueNodeContainer::ValueNodeContainer()
 ValueNodeContainer::~ValueNodeContainer()
 {
 	RemoveAllChildren();
+	fListeners.MakeEmpty();
 }