diff --git a/cross-project-tests/debuginfo-tests/dexter/dex/tools/clang_opt_bisect/Tool.py b/cross-project-tests/debuginfo-tests/dexter/dex/tools/clang_opt_bisect/Tool.py
index 2902eeee3e11c..e6fdecb47eaae 100644
--- a/cross-project-tests/debuginfo-tests/dexter/dex/tools/clang_opt_bisect/Tool.py
+++ b/cross-project-tests/debuginfo-tests/dexter/dex/tools/clang_opt_bisect/Tool.py
@@ -12,7 +12,6 @@
 import re
 import pickle
 
-from dex.builder import run_external_build_script
 from dex.command.ParseCommand import get_command_infos
 from dex.debugger.Debuggers import run_debugger_subprocess
 from dex.debugger.DebuggerControllers.DefaultController import DefaultController