diff --git a/libkineto/include/Config.h b/libkineto/include/Config.h
index e99ff824f..eb3d0812b 100644
--- a/libkineto/include/Config.h
+++ b/libkineto/include/Config.h
@@ -511,8 +511,6 @@ class Config : public AbstractConfig {
 
 constexpr char kUseDaemonEnvVar[] = "KINETO_USE_DAEMON";
 
-#if __linux__
 bool isDaemonEnvVarSet();
-#endif
 
 } // namespace libkineto
diff --git a/libkineto/src/Config.cpp b/libkineto/src/Config.cpp
index 5875342a5..ed37cdb78 100644
--- a/libkineto/src/Config.cpp
+++ b/libkineto/src/Config.cpp
@@ -258,6 +258,10 @@ bool isDaemonEnvVarSet() {
   }();
   return rc;
 }
+#else
+bool isDaemonEnvVarSet() {
+  return false;
+}
 #endif
 
 std::shared_ptr<void> Config::getStaticObjectsLifetimeHandle() {