diff --git a/src/win32/tip/tip_text_service.cc b/src/win32/tip/tip_text_service.cc
index 3b363d69ec..98c48aecc0 100644
--- a/src/win32/tip/tip_text_service.cc
+++ b/src/win32/tip/tip_text_service.cc
@@ -511,8 +511,6 @@ class TipTextServiceImpl
     StorePointerForCurrentThread(this);
 
     HRESULT result = E_UNEXPECTED;
-    RegisterLogFileSink(
-        FileUtil::JoinPath(SystemUtil::GetLoggingDirectory(), kLogFileName));
 
     EnsureKanaLockUnlocked();