diff --git a/ai/ai.h b/ai/ai.h
index ec06b302f7..440d3347aa 100644
--- a/ai/ai.h
+++ b/ai/ai.h
@@ -4,6 +4,7 @@
 #include "../functions.h"
 #include "../network.h"
 #include "../player.h"
+#include "../command.h"
 
 /* How DoCommands look like for an AI */
 typedef struct AICommand {
diff --git a/callback_table.h b/callback_table.h
index 15c8d4d6a9..f555fcf603 100644
--- a/callback_table.h
+++ b/callback_table.h
@@ -3,7 +3,7 @@
 #ifndef CALLBACK_TABLE_H
 #define CALLBACK_TABLE_H
 
-#include "functions.h"
+#include "command.h"
 
 extern CommandCallback *_callback_table[];
 extern const int _callback_table_count;
diff --git a/command.h b/command.h
index 497f018cf5..d46c771dd1 100644
--- a/command.h
+++ b/command.h
@@ -195,7 +195,14 @@ static inline bool CmdFailed(int32 res)
 }
 
 /* command.c */
+typedef void CommandCallback(bool success, TileIndex tile, uint32 p1, uint32 p2);
 int32 DoCommand(TileIndex tile, uint32 p1, uint32 p2, uint32 flags, uint procc);
+bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd);
+
+#ifdef ENABLE_NETWORK
+
+void NetworkSend_Command(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback);
+#endif /* ENABLE_NETWORK */
 
 extern const char* _cmd_text; // Text, which gets sent with a command
 
diff --git a/functions.h b/functions.h
index f79e20cd83..cd59d8fb2d 100644
--- a/functions.h
+++ b/functions.h
@@ -132,9 +132,6 @@ bool CheckBridge_Stuff(byte bridge_type, uint bridge_len);
 uint32 GetBridgeLength(TileIndex begin, TileIndex end);
 int CalcBridgeLenCostFactor(int x);
 
-typedef void CommandCallback(bool success, TileIndex tile, uint32 p1, uint32 p2);
-bool DoCommandP(TileIndex tile, uint32 p1, uint32 p2, CommandCallback *callback, uint32 cmd);
-
 /* network.c */
 void NetworkUDPClose(void);
 void NetworkStartUp(void);
@@ -145,8 +142,6 @@ bool NetworkServerStart(void);
 bool NetworkClientConnectGame(const char* host, unsigned short port);
 void NetworkReboot(void);
 void NetworkDisconnect(void);
-void NetworkSend_Command(TileIndex tile, uint32 p1, uint32 p2, uint32 cmd, CommandCallback *callback);
-
 /* misc_cmd.c */
 void PlaceTreesRandomly(void);