diff --git a/Tools/Tests/CMakeLists.txt b/Tools/Tests/CMakeLists.txt
index 5e0459c..eb08c07 100644
--- a/Tools/Tests/CMakeLists.txt
+++ b/Tools/Tests/CMakeLists.txt
@@ -64,4 +64,7 @@ add_tool_test(renumber-tests
         Results/diffs/R6.txt
         Results/diffs/R7.txt
         Results/diffs/R8.txt
+    DELETED_FILES
+        Results/diffs/R2.txt
+        Results/diffs/R3.txt
 )