diff --git a/src/client/Client.hxx b/src/client/Client.hxx
index 960984296..d1b0d1752 100644
--- a/src/client/Client.hxx
+++ b/src/client/Client.hxx
@@ -214,11 +214,6 @@ void
 client_new(EventLoop &loop, Partition &partition,
 	   int fd, SocketAddress address, int uid);
 
-/**
- * Write a C string to the client.
- */
-void client_puts(Client &client, const char *s);
-
 /**
  * Write a printf-like formatted string to the client.
  */
diff --git a/src/client/ClientIdle.cxx b/src/client/ClientIdle.cxx
index ca562233f..2791bb9a4 100644
--- a/src/client/ClientIdle.cxx
+++ b/src/client/ClientIdle.cxx
@@ -40,7 +40,7 @@ Client::IdleNotify()
 				      idle_names[i]);
 	}
 
-	client_puts(*this, "OK\n");
+	Write("OK\n");
 
 	TimeoutMonitor::Schedule(client_timeout);
 }
diff --git a/src/client/ClientProcess.cxx b/src/client/ClientProcess.cxx
index 4d0efbf73..b5591cd1b 100644
--- a/src/client/ClientProcess.cxx
+++ b/src/client/ClientProcess.cxx
@@ -44,7 +44,7 @@ client_process_command_list(Client &client, bool list_ok,
 		if (ret != CommandResult::OK || client.IsExpired())
 			break;
 		else if (list_ok)
-			client_puts(client, "list_OK\n");
+			client.Write("list_OK\n");
 	}
 
 	return ret;
diff --git a/src/client/ClientWrite.cxx b/src/client/ClientWrite.cxx
index 965d70bd6..963c4d40a 100644
--- a/src/client/ClientWrite.cxx
+++ b/src/client/ClientWrite.cxx
@@ -37,12 +37,6 @@ Client::Write(const char *data)
 	return Write(data, strlen(data));
 }
 
-void
-client_puts(Client &client, const char *s)
-{
-	client.Write(s);
-}
-
 void
 client_vprintf(Client &client, const char *fmt, va_list args)
 {
diff --git a/src/protocol/Result.cxx b/src/protocol/Result.cxx
index b58fcaea0..f43a3f156 100644
--- a/src/protocol/Result.cxx
+++ b/src/protocol/Result.cxx
@@ -24,5 +24,5 @@
 void
 command_success(Client &client)
 {
-	client_puts(client, "OK\n");
+	client.Write("OK\n");
 }