diff --git a/Seabreeze/CMakeLists.txt b/Seabreeze/CMakeLists.txt
index 75107523..77335161 100644
--- a/Seabreeze/CMakeLists.txt
+++ b/Seabreeze/CMakeLists.txt
@@ -20,7 +20,6 @@
  setup_qt()
  
  find_package(Libexecinfo        REQUIRED)
- find_package(LibXml2            REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)
  find_package(LEFDEF             REQUIRED)
diff --git a/Seabreeze/src/CMakeLists.txt b/Seabreeze/src/CMakeLists.txt
index a2197505..e5f063bf 100644
--- a/Seabreeze/src/CMakeLists.txt
+++ b/Seabreeze/src/CMakeLists.txt
@@ -27,7 +27,6 @@
                                      Tree.cpp
                                      Elmore.cpp
 				     SeabreezeEngine.cpp
-                                     Delay.cpp
                                     #GraphicSeabreezeEngine.cpp
                       )
                    set( pyCpps       PySeabreeze.cpp
diff --git a/Seabreeze/src/Tree.cpp b/Seabreeze/src/Tree.cpp
index 26fd85f1..68fad869 100644
--- a/Seabreeze/src/Tree.cpp
+++ b/Seabreeze/src/Tree.cpp
@@ -35,6 +35,7 @@ namespace Seabreeze {
   using std::endl;
   using std::ostream;
   using Hurricane::Error;
+  using Hurricane::Hook;
   using Hurricane::Component;
 
 
@@ -122,6 +123,12 @@ namespace Seabreeze {
                    ) << endl;
       return nullptr;
     }
+
+    Hook* masterHook = sink->getAnchorHook()->getMasterHook();
+    if (masterHook) {
+      RoutingPad* myrp = dynamic_cast<RoutingPad*>( masterHook->getComponent() );
+      cdebug_log(199,0) << "  Look back=" << myrp << endl;
+    }
     
     cdebug_log(199,1) << "Tree::computeDelay()" << endl;
     cdebug_log(199,0) << "  rp=" << rp << endl;
diff --git a/crlcore/CMakeLists.txt b/crlcore/CMakeLists.txt
index a293e96f..c33b7b82 100644
--- a/crlcore/CMakeLists.txt
+++ b/crlcore/CMakeLists.txt
@@ -27,7 +27,6 @@
  if (USE_LIBBFD)
    find_package(Libbfd)
  endif()
- find_package(LibXml2            REQUIRED)
  find_package(BZip2              REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)
diff --git a/documentation/examples/code/engine/smurf/CMakeLists.txt b/documentation/examples/code/engine/smurf/CMakeLists.txt
index 295f9bea..3fe4bf40 100644
--- a/documentation/examples/code/engine/smurf/CMakeLists.txt
+++ b/documentation/examples/code/engine/smurf/CMakeLists.txt
@@ -14,7 +14,6 @@
  setup_boost(program_options python)
  setup_qt()
  
- find_package(LibXml2 REQUIRED)
  find_package(PythonLibs         2 REQUIRED)
  find_package(PythonSitePackages REQUIRED)
  find_package(AXEP REQUIRED)
diff --git a/hurricane/CMakeLists.txt b/hurricane/CMakeLists.txt
index 98296140..91c9b06f 100644
--- a/hurricane/CMakeLists.txt
+++ b/hurricane/CMakeLists.txt
@@ -21,7 +21,6 @@
  setup_boost(program_options)
  setup_qt()
 
- find_package(LibXml2            REQUIRED)
  find_package(BZip2              REQUIRED)
  find_package(BISON              REQUIRED)
  find_package(FLEX               REQUIRED)
diff --git a/ispd/CMakeLists.txt b/ispd/CMakeLists.txt
index 508ca426..63932fc5 100644
--- a/ispd/CMakeLists.txt
+++ b/ispd/CMakeLists.txt
@@ -15,7 +15,6 @@
 #setup_apple()
  setup_boost(program_options)
  
- find_package(LibXml2 REQUIRED)
  set(QT_USE_QTXML "true")
  find_package(Qt4 REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
diff --git a/katana/CMakeLists.txt b/katana/CMakeLists.txt
index e1d0f0df..3ba565a5 100644
--- a/katana/CMakeLists.txt
+++ b/katana/CMakeLists.txt
@@ -20,7 +20,6 @@
  setup_qt()
  
  find_package(Libexecinfo        REQUIRED)
- find_package(LibXml2            REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)
  find_package(LEFDEF             REQUIRED)
diff --git a/kite/CMakeLists.txt b/kite/CMakeLists.txt
index 92af0de1..f1922c66 100644
--- a/kite/CMakeLists.txt
+++ b/kite/CMakeLists.txt
@@ -19,7 +19,6 @@
  setup_boost(program_options)
  setup_qt()
  
- find_package(LibXml2 REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)
  find_package(FLUTE REQUIRED)
diff --git a/tutorial/CMakeLists.txt b/tutorial/CMakeLists.txt
index 7235704b..42ccf5a8 100644
--- a/tutorial/CMakeLists.txt
+++ b/tutorial/CMakeLists.txt
@@ -19,7 +19,6 @@
  setup_qt()
  
  find_package(Libexecinfo        REQUIRED)
- find_package(LibXml2            REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)
  find_package(LEFDEF             REQUIRED)
diff --git a/unicorn/CMakeLists.txt b/unicorn/CMakeLists.txt
index b24f7227..c3aec18d 100644
--- a/unicorn/CMakeLists.txt
+++ b/unicorn/CMakeLists.txt
@@ -23,7 +23,6 @@
  if (USE_LIBBFD)
    find_package(Libbfd)
  endif()
- find_package(LibXml2            REQUIRED)
  find_package(BZip2              REQUIRED)
  find_package(Python 3           REQUIRED COMPONENTS Interpreter Development)
  find_package(PythonSitePackages REQUIRED)