diff --git a/src/plugins/debugger/watchdata.cpp b/src/plugins/debugger/watchdata.cpp
index 4230f601631..098051d9e9e 100644
--- a/src/plugins/debugger/watchdata.cpp
+++ b/src/plugins/debugger/watchdata.cpp
@@ -131,28 +131,10 @@ WatchData::WatchData() :
     wantsChildren(false),
     valueEnabled(true),
     valueEditable(true),
-    sortId(0),
-    source(0)
+    sortId(0)
 {
 }
 
-bool WatchData::isEqual(const WatchData &other) const
-{
-    return iname == other.iname
-      && exp == other.exp
-      && name == other.name
-      && value == other.value
-      && editvalue == other.editvalue
-      && type == other.type
-      && displayedType == other.displayedType
-      && address == other.address
-      && size == other.size
-      && elided == other.elided
-      && wantsChildren == other.wantsChildren
-      && valueEnabled == other.valueEnabled
-      && valueEditable == other.valueEditable;
-}
-
 bool WatchData::isAncestorOf(const QByteArray &childIName) const
 {
     if (iname.size() >= childIName.size())
diff --git a/src/plugins/debugger/watchdata.h b/src/plugins/debugger/watchdata.h
index 8c23b6c51bd..5aa68af9652 100644
--- a/src/plugins/debugger/watchdata.h
+++ b/src/plugins/debugger/watchdata.h
@@ -82,7 +82,6 @@ public:
     bool isValid()   const { return !iname.isEmpty(); }
     bool isVTablePointer() const;
 
-    bool isEqual(const WatchData &other) const;
     bool isAncestorOf(const QByteArray &childIName) const;
 
     void setError(const QString &);
@@ -128,10 +127,6 @@ public:
     qint32          sortId;
 
     Q_DECLARE_TR_FUNCTIONS(Debugger::Internal::WatchHandler)
-
-public:
-    // FIXME: this is engine specific data that should be mapped internally
-    qint32 source;  // Originated from dumper or symbol evaluation? (CDB only)
 };
 
 void decodeArrayData(std::function<void(const WatchData &)> itemHandler,