diff --git a/simgear/structure/subsystem_mgr.cxx b/simgear/structure/subsystem_mgr.cxx
index 6efcb2ad..6ceff02e 100644
--- a/simgear/structure/subsystem_mgr.cxx
+++ b/simgear/structure/subsystem_mgr.cxx
@@ -233,12 +233,11 @@ public:
 
 
 
-SGSubsystemGroup::SGSubsystemGroup(const char *name) :
+SGSubsystemGroup::SGSubsystemGroup() :
     _fixedUpdateTime(-1.0),
     _updateTimeRemainder(0.0),
     _initPosition(-1)
 {
-    _name = name;
 }
 
 SGSubsystemGroup::~SGSubsystemGroup ()
@@ -838,7 +837,7 @@ namespace {
     
 } // end of anonymous namespace
 
-SGSubsystemMgr::SGSubsystemMgr (const char *name) :
+SGSubsystemMgr::SGSubsystemMgr () :
   _groups(MAX_GROUPS)
 {
     if (global_defaultSubsystemManager == nullptr) {
@@ -855,7 +854,7 @@ SGSubsystemMgr::SGSubsystemMgr (const char *name) :
 #endif
     
     for (int i = 0; i < MAX_GROUPS; i++) {
-        auto g = new SGSubsystemGroup(name);
+        auto g = new SGSubsystemGroup();
         g->set_manager(this);
         _groups[i].reset(g);
     }
diff --git a/simgear/structure/subsystem_mgr.hxx b/simgear/structure/subsystem_mgr.hxx
index fc52ded9..af91dd4d 100644
--- a/simgear/structure/subsystem_mgr.hxx
+++ b/simgear/structure/subsystem_mgr.hxx
@@ -384,7 +384,7 @@ typedef SGSharedPtr<SGSubsystem> SGSubsystemRef;
 class SGSubsystemGroup : public SGSubsystem
 {
 public:
-    SGSubsystemGroup (const char *name);
+    SGSubsystemGroup ();
     virtual ~SGSubsystemGroup ();
 
     // Subsystem API.
@@ -509,7 +509,7 @@ public:
         MAX_GROUPS
     };
 
-    SGSubsystemMgr (const char *name);
+    SGSubsystemMgr ();
     virtual ~SGSubsystemMgr ();
 
     // Subsystem API.
diff --git a/simgear/structure/subsystem_test.cxx b/simgear/structure/subsystem_test.cxx
index c75149ee..266b7fdd 100644
--- a/simgear/structure/subsystem_test.cxx
+++ b/simgear/structure/subsystem_test.cxx
@@ -89,7 +89,6 @@ public:
 class InstrumentGroup : public SGSubsystemGroup
 {
 public:
-    InstrumentGroup() : SGSubsystemGroup(InstrumentGroup::staticSubsystemClassId()) {}
     static const char* staticSubsystemClassId() { return "instruments"; }
 
     virtual ~InstrumentGroup()
@@ -165,7 +164,7 @@ SGSubsystemMgr::InstancedRegistrant<FakeRadioSub> registrant3(SGSubsystemMgr::PO
 
 void testRegistrationAndCreation()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST1");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     
     auto anotherSub = manager->create<AnotherSub>();
     SG_VERIFY(anotherSub);
@@ -182,7 +181,7 @@ void testRegistrationAndCreation()
 
 void testAddGetRemove()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST1");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);
     
@@ -229,7 +228,7 @@ void testAddGetRemove()
 
 void testSubGrouping()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST1");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);
     
@@ -300,7 +299,7 @@ void testSubGrouping()
 
 void testIncrementalInit()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);
     
@@ -348,7 +347,7 @@ void testEmptyGroup()
     // https://sourceforge.net/p/flightgear/codetickets/2043/
     // when an empty group is inited, we skipped setting the state
     
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);
     
@@ -372,7 +371,7 @@ void testEmptyGroup()
 
 void testSuspendResume()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);
     
@@ -442,7 +441,7 @@ void testSuspendResume()
 
 void testPropertyRoot()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     SGPropertyNode_ptr props(new SGPropertyNode);
     manager->set_root_node(props);
     
@@ -468,7 +467,7 @@ void testPropertyRoot()
 
 void testAddRemoveAfterInit()
 {
-    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr("TEST");
+    SGSharedPtr<SGSubsystemMgr> manager = new SGSubsystemMgr();
     auto d = new RecorderDelegate;
     manager->addDelegate(d);