diff --git a/src/ai/ai_scanner.cpp b/src/ai/ai_scanner.cpp
--- a/src/ai/ai_scanner.cpp
+++ b/src/ai/ai_scanner.cpp
@@ -61,8 +61,8 @@ void AIScannerInfo::RegisterAPI(class Sq
 AIInfo *AIScannerInfo::SelectRandomAI() const
 {
 	uint num_random_ais = 0;
-	for (ScriptInfoList::const_iterator it = this->info_single_list.begin(); it != this->info_single_list.end(); it++) {
-		AIInfo *i = static_cast<AIInfo *>((*it).second);
+	for (const auto &item : info_single_list) {
+		AIInfo *i = static_cast<AIInfo *>(item.second);
 		if (i->UseAsRandomAI()) num_random_ais++;
 	}
 
@@ -121,11 +121,10 @@ AIInfo *AIScannerInfo::FindInfo(const ch
 
 	/* See if there is a compatible AI which goes by that name, with the highest
 	 *  version which allows loading the requested version */
-	ScriptInfoList::iterator it = this->info_list.begin();
-	for (; it != this->info_list.end(); it++) {
-		AIInfo *i = static_cast<AIInfo *>((*it).second);
+	for (const auto &item : this->info_list) {
+		AIInfo *i = static_cast<AIInfo *>(item.second);
 		if (strcasecmp(ai_name, i->GetName()) == 0 && i->CanLoadFromVersion(versionParam) && (version == -1 || i->GetVersion() > version)) {
-			version = (*it).second->GetVersion();
+			version = item.second->GetVersion();
 			info = i;
 		}
 	}
@@ -158,8 +157,8 @@ AILibrary *AIScannerLibrary::FindLibrary
 	strtolower(library_name);
 
 	/* Check if the library + version exists */
-	ScriptInfoList::iterator iter = this->info_list.find(library_name);
-	if (iter == this->info_list.end()) return nullptr;
+	ScriptInfoList::iterator it = this->info_list.find(library_name);
+	if (it == this->info_list.end()) return nullptr;
 
-	return static_cast<AILibrary *>((*iter).second);
+	return static_cast<AILibrary *>((*it).second);
 }