diff --git a/dlls/rpcrt4/rpc_binding.h b/dlls/rpcrt4/rpc_binding.h
index 25a21083ceb..5aa83079d51 100644
--- a/dlls/rpcrt4/rpc_binding.h
+++ b/dlls/rpcrt4/rpc_binding.h
@@ -139,7 +139,6 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server, LPCS
 RPC_STATUS RPCRT4_DestroyConnection(RpcConnection* Connection);
 RPC_STATUS RPCRT4_OpenClientConnection(RpcConnection* Connection);
 RPC_STATUS RPCRT4_CloseConnection(RpcConnection* Connection);
-RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection);
 
 RPC_STATUS RPCRT4_ResolveBinding(RpcBinding* Binding, LPCSTR Endpoint);
 RPC_STATUS RPCRT4_SetBindingObject(RpcBinding* Binding, const UUID* ObjectUuid);
diff --git a/dlls/rpcrt4/rpc_message.c b/dlls/rpcrt4/rpc_message.c
index 155d7ec04f4..e4f96a9179e 100644
--- a/dlls/rpcrt4/rpc_message.c
+++ b/dlls/rpcrt4/rpc_message.c
@@ -321,7 +321,7 @@ NCA_STATUS RPC2NCA_STATUS(RPC_STATUS status)
     }
 }
 
-RPC_STATUS NCA2RPC_STATUS(NCA_STATUS status)
+static RPC_STATUS NCA2RPC_STATUS(NCA_STATUS status)
 {
     switch (status)
     {
@@ -687,7 +687,7 @@ RPC_STATUS RPCRT4_Send(RpcConnection *Connection, RpcPktHdr *Header,
 }
 
 /* validates version and frag_len fields */
-RPC_STATUS RPCRT4_ValidateCommonHeader(const RpcPktCommonHdr *hdr)
+static RPC_STATUS RPCRT4_ValidateCommonHeader(const RpcPktCommonHdr *hdr)
 {
   DWORD hdr_length;
 
@@ -720,7 +720,7 @@ RPC_STATUS RPCRT4_ValidateCommonHeader(const RpcPktCommonHdr *hdr)
  * 
  * Receive a fragment from a connection.
  */
-RPC_STATUS RPCRT4_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
+static RPC_STATUS RPCRT4_receive_fragment(RpcConnection *Connection, RpcPktHdr **Header, void **Payload)
 {
   RPC_STATUS status;
   DWORD hdr_length;
diff --git a/dlls/rpcrt4/rpc_message.h b/dlls/rpcrt4/rpc_message.h
index 7e746cbb2c5..e4033882feb 100644
--- a/dlls/rpcrt4/rpc_message.h
+++ b/dlls/rpcrt4/rpc_message.h
@@ -35,7 +35,6 @@ RPC_STATUS RPCRT4_Send(RpcConnection *Connection, RpcPktHdr *Header, void *Buffe
 RPC_STATUS RPCRT4_Receive(RpcConnection *Connection, RpcPktHdr **Header, PRPC_MESSAGE pMsg);
 RPC_STATUS RPCRT4_ReceiveWithAuth(RpcConnection *Connection, RpcPktHdr **Header, PRPC_MESSAGE pMsg, unsigned char **auth_data_out, unsigned long *auth_length_out);
 NCA_STATUS RPC2NCA_STATUS(RPC_STATUS status);
-RPC_STATUS NCA2RPC_STATUS(NCA_STATUS status);
 RPC_STATUS RPCRT4_AuthorizeConnection(RpcConnection* conn, BYTE *challenge, ULONG count);
 
 #endif
diff --git a/dlls/rpcrt4/rpc_transport.c b/dlls/rpcrt4/rpc_transport.c
index d635d499b4b..1e759a65255 100644
--- a/dlls/rpcrt4/rpc_transport.c
+++ b/dlls/rpcrt4/rpc_transport.c
@@ -90,6 +90,8 @@
 
 WINE_DEFAULT_DEBUG_CHANNEL(rpc);
 
+static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection);
+
 /**** ncacn_np support ****/
 
 typedef struct _RpcConnection_np
@@ -1541,8 +1543,7 @@ RPC_STATUS RPCRT4_CreateConnection(RpcConnection** Connection, BOOL server,
   return RPC_S_OK;
 }
 
-
-RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
+static RPC_STATUS RPCRT4_SpawnConnection(RpcConnection** Connection, RpcConnection* OldConnection)
 {
   RPC_STATUS err;