From d0ceb409ff2d9eecb992e7d37780137f9330a748 Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 7 Dec 2021 17:22:45 -0500
Subject: cmListFileBacktrace: Remove unused "Depth" method

---
 Source/cmListFileCache.cxx | 11 -----------
 Source/cmListFileCache.h   |  4 ----
 2 files changed, 15 deletions(-)

diff --git a/Source/cmListFileCache.cxx b/Source/cmListFileCache.cxx
index c167db5..9f8a18f 100644
--- a/Source/cmListFileCache.cxx
+++ b/Source/cmListFileCache.cxx
@@ -497,17 +497,6 @@ cmListFileContext const& cmListFileBacktrace::Top() const
   return this->TopEntry->Context;
 }
 
-size_t cmListFileBacktrace::Depth() const
-{
-  size_t depth = 0;
-  if (Entry const* cur = this->TopEntry.get()) {
-    for (; cur; cur = cur->Parent.get()) {
-      ++depth;
-    }
-  }
-  return depth;
-}
-
 bool cmListFileBacktrace::Empty() const
 {
   return !this->TopEntry;
diff --git a/Source/cmListFileCache.h b/Source/cmListFileCache.h
index aaf672c..65b4772 100644
--- a/Source/cmListFileCache.h
+++ b/Source/cmListFileCache.h
@@ -4,7 +4,6 @@
 
 #include "cmConfigure.h" // IWYU pragma: keep
 
-#include <cstddef>
 #include <iosfwd>
 #include <memory>
 #include <string>
@@ -180,9 +179,6 @@ public:
   // This may be called only if Empty() would return false.
   cmListFileContext const& Top() const;
 
-  // Get the number of 'frames' in this backtrace
-  size_t Depth() const;
-
   // Return true if this backtrace is empty.
   bool Empty() const;
 
-- 
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