diff --git a/src/strings.cpp b/src/strings.cpp
--- a/src/strings.cpp
+++ b/src/strings.cpp
@@ -277,14 +277,6 @@ char *GetString(char *buffr, StringID st
 }
 
 
-char *InlineString(char *buf, StringID string)
-{
-	buf += Utf8Encode(buf, SCC_STRING_ID);
-	buf += Utf8Encode(buf, string);
-	return buf;
-}
-
-
 /**
  * This function is used to "bind" a C string to a OpenTTD dparam slot.
  * @param n slot of the string
@@ -1017,11 +1009,6 @@ static char *FormatString(char *buff, co
 				buff = strecpy(buff, _openttd_revision, last);
 				break;
 
-			case SCC_STRING_ID: // {STRINL}
-				if (game_script) break;
-				buff = GetStringWithArgs(buff, Utf8Consume(&str), args, last);
-				break;
-
 			case SCC_RAW_STRING_POINTER: { // {RAW_STRING}
 				if (game_script) break;
 				const char *str = (const char *)(size_t)args->GetInt64(SCC_RAW_STRING_POINTER);
diff --git a/src/strings_func.h b/src/strings_func.h
--- a/src/strings_func.h
+++ b/src/strings_func.h
@@ -124,7 +124,6 @@ public:
 };
 extern StringParameters _global_string_params;
 
-char *InlineString(char *buf, StringID string);
 char *GetString(char *buffr, StringID string, const char *last);
 char *GetStringWithArgs(char *buffr, StringID string, StringParameters *args, const char *last, uint case_index = 0, bool game_script = false);
 const char *GetStringPtr(StringID string);
diff --git a/src/table/control_codes.h b/src/table/control_codes.h
--- a/src/table/control_codes.h
+++ b/src/table/control_codes.h
@@ -85,7 +85,6 @@ enum StringControlCode {
 	SCC_HEX,
 	SCC_BYTES,
 
-	SCC_STRING_ID,
 	SCC_RAW_STRING_POINTER,
 	SCC_PLURAL_LIST,
 	SCC_GENDER_LIST,