diff --git a/llvm/tools/llvm-mca/RetireControlUnit.h b/llvm/tools/llvm-mca/RetireControlUnit.h
index 8acc8bcc98fe..4f2fed14aa19 100644
--- a/llvm/tools/llvm-mca/RetireControlUnit.h
+++ b/llvm/tools/llvm-mca/RetireControlUnit.h
@@ -64,7 +64,6 @@ private:
 public:
   RetireControlUnit(const llvm::MCSchedModel &SM);
 
-  bool isFull() const { return !AvailableSlots; }
   bool isEmpty() const { return AvailableSlots == Queue.size(); }
   bool isAvailable(unsigned Quantity = 1) const {
     // Some instructions may declare a number of uOps which exceeds the size