diff --git a/llvm/lib/Analysis/TrainingLogger.cpp b/llvm/lib/Analysis/TrainingLogger.cpp
index e236890aa2bcc..344ca92e18b51 100644
--- a/llvm/lib/Analysis/TrainingLogger.cpp
+++ b/llvm/lib/Analysis/TrainingLogger.cpp
@@ -27,11 +27,6 @@
 
 using namespace llvm;
 
-// FIXME(mtrofin): remove the flag altogether
-static cl::opt<bool>
-    UseSimpleLogger("tfutils-use-simplelogger", cl::init(true), cl::Hidden,
-                    cl::desc("Output simple (non-protobuf) log."));
-
 void Logger::writeHeader(std::optional<TensorSpec> AdviceSpec) {
   json::OStream JOS(*OS);
   JOS.object([&]() {