diff --git a/src/Common/ZooKeeper/ZooKeeperCommon.cpp b/src/Common/ZooKeeper/ZooKeeperCommon.cpp
index 5ab22474d72..b1a11b2d473 100644
--- a/src/Common/ZooKeeper/ZooKeeperCommon.cpp
+++ b/src/Common/ZooKeeper/ZooKeeperCommon.cpp
@@ -37,8 +37,6 @@ static void write(bool x, WriteBuffer & out)
 
 static void write(const String & s, WriteBuffer & out)
 {
-
-    LOG_DEBUG(&Poco::Logger::get("LOG"), "S SIZE {}", s.size());
     write(int32_t(s.size()), out);
     out.write(s.data(), s.size());
 }
diff --git a/src/Common/ZooKeeper/ZooKeeperImpl.cpp b/src/Common/ZooKeeper/ZooKeeperImpl.cpp
index 30b30695eea..33204686dce 100644
--- a/src/Common/ZooKeeper/ZooKeeperImpl.cpp
+++ b/src/Common/ZooKeeper/ZooKeeperImpl.cpp
@@ -751,12 +751,9 @@ void ZooKeeper::receiveEvent()
     Error err;
 
     read(length);
-    std::cerr << "RECEIVED LENGTH " << length << std::endl;
     size_t count_before_event = in->count();
     read(xid);
-    std::cerr << "RECEIVED XID " << xid << std::endl;
     read(zxid);
-    std::cerr << "RECEIVED ZXID " << zxid << std::endl;
     read(err);
 
     RequestInfo request_info;