diff --git a/src/command_type.h b/src/command_type.h
index a37af9ec72..eeece35065 100644
--- a/src/command_type.h
+++ b/src/command_type.h
@@ -594,7 +594,6 @@ enum CommandFlags {
 	CMD_SERVER_NS = 0x1000, ///< the command can only be initiated by the server (this is not executed in spectator mode)
 	CMD_LOG_AUX   = 0x2000, ///< the command should be logged in the auxiliary log instead of the main log
 	CMD_P1_TILE   = 0x4000, ///< use p1 for money text and error tile
-	CMD_STR_SEP  =  0x8000, ///< the command's string may contain separator control characters
 };
 DECLARE_ENUM_AS_BIT_SET(CommandFlags)
 
diff --git a/src/network/network_command.cpp b/src/network/network_command.cpp
index fa47cc4b0f..fc1e7b2830 100644
--- a/src/network/network_command.cpp
+++ b/src/network/network_command.cpp
@@ -327,7 +327,6 @@ const char *NetworkGameSocketHandler::ReceiveCommand(Packet *p, CommandPacket *c
 	cp->tile    = p->Recv_uint32();
 
 	StringValidationSettings settings = (!_network_server && GetCommandFlags(cp->cmd) & CMD_STR_CTRL) != 0 ? SVS_ALLOW_CONTROL_CODE | SVS_REPLACE_WITH_QUESTION_MARK : SVS_REPLACE_WITH_QUESTION_MARK;
-	if (GetCommandFlags(cp->cmd) & CMD_STR_SEP) settings |= SVS_ALLOW_SEPARATOR_CODE;
 	p->Recv_string(cp->text, settings);
 
 	byte callback = p->Recv_uint8();
diff --git a/src/script/api/script_object.cpp b/src/script/api/script_object.cpp
index fff867ed65..53125dcd86 100644
--- a/src/script/api/script_object.cpp
+++ b/src/script/api/script_object.cpp
@@ -329,7 +329,7 @@ ScriptObject::ActiveInstance::~ActiveInstance()
 		/* The string must be valid, i.e. not contain special codes. Since some
 		 * can be made with GSText, make sure the control codes are removed. */
 		text_validated = text;
-		::StrMakeValidInPlace(text_validated, (GetCommandFlags(cmd) & CMD_STR_SEP) ? SVS_ALLOW_SEPARATOR_CODE : SVS_NONE);
+		::StrMakeValidInPlace(text_validated, SVS_NONE);
 		text = text_validated.c_str();
 	}