1 files changed, 0 insertions, 27 deletions
diff --git a/Source/JavaScriptCore/dfg/DFGAvailability.h b/Source/JavaScriptCore/dfg/DFGAvailability.h
index 507d816aa..fd9bf6529 100644
--- a/Source/JavaScriptCore/dfg/DFGAvailability.h
+++ b/Source/JavaScriptCore/dfg/DFGAvailability.h
@@ -81,26 +81,10 @@ public:
         return withNode(unavailableMarker());
     }
     
-    void setFlush(FlushedAt flushedAt)
-    {
-        m_flushedAt = flushedAt;
-    }
-    
-    void setNode(Node* node)
-    {
-        m_node = node;
-    }
-    
-    void setNodeUnavailable()
-    {
-        m_node = unavailableMarker();
-    }
-    
     bool nodeIsUndecided() const { return !m_node; }
     bool nodeIsUnavailable() const { return m_node == unavailableMarker(); }
     
     bool hasNode() const { return !nodeIsUndecided() && !nodeIsUnavailable(); }
-    bool shouldUseNode() const { return !isFlushUseful() && hasNode(); }
     
     Node* node() const
     {
@@ -110,12 +94,6 @@ public:
     }
     
     FlushedAt flushedAt() const { return m_flushedAt; }
-    bool isFlushUseful() const
-    {
-        return flushedAt().format() != DeadFlush && flushedAt().format() != ConflictingFlush;
-    }
-    
-    bool isDead() const { return !isFlushUseful() && !hasNode(); }
     
     bool operator!() const { return nodeIsUnavailable() && flushedAt().format() == ConflictingFlush; }
 
@@ -125,11 +103,6 @@ public:
             && m_flushedAt == other.m_flushedAt;
     }
     
-    bool operator!=(const Availability& other) const
-    {
-        return !(*this == other);
-    }
-    
     Availability merge(const Availability& other) const
     {
         return Availability(