diff --git a/src/help/topic_generators.cpp b/src/help/topic_generators.cpp
index b50b50b4642f..87d157e91ab2 100644
--- a/src/help/topic_generators.cpp
+++ b/src/help/topic_generators.cpp
@@ -37,6 +37,57 @@ static lg::log_domain log_help("help");
 
 namespace help
 {
+namespace
+{
+std::string make_unit_link(const std::string& type_id)
+{
+	std::string link;
+	const unit_type* type = unit_types.find(type_id, unit_type::HELP_INDEXED);
+
+	if(!type) {
+		std::cerr << "Unknown unit type : " << type_id << "\n";
+
+		// Don't return a hyperlink (no page). Instead show the id (as hint)
+		link = type_id;
+	} else if(!type->hide_help()) {
+		std::string name = type->type_name();
+		std::string ref_id;
+
+		if(description_type(*type) == FULL_DESCRIPTION) {
+			const std::string section_prefix = type->show_variations_in_help() ? ".." : "";
+			ref_id = section_prefix + unit_prefix + type->id();
+		} else {
+			ref_id = unknown_unit_topic;
+			name += " (?)";
+		}
+
+		link = make_link(name, ref_id);
+	} // if hide_help then link is an empty string
+
+	return link;
+}
+
+std::vector<std::string> make_unit_links_list(const std::vector<std::string>& type_id_list, bool ordered)
+{
+	std::vector<std::string> links_list;
+
+	for(const std::string& type_id : type_id_list) {
+		std::string unit_link = make_unit_link(type_id);
+
+		if(!unit_link.empty()) {
+			links_list.push_back(std::move(unit_link));
+		}
+	}
+
+	if(ordered) {
+		std::sort(links_list.begin(), links_list.end());
+	}
+
+	return links_list;
+}
+
+} // end anon namespace
+
 topic_list generate_ability_topics(const bool sort_generated)
 {
 	topic_list topics;
diff --git a/src/help/utils.cpp b/src/help/utils.cpp
index f64ae7641497..d1dbb7ac66ef 100644
--- a/src/help/utils.cpp
+++ b/src/help/utils.cpp
@@ -34,34 +34,6 @@ namespace help
 /** Implementation helpers. */
 namespace
 {
-std::string make_unit_link(const std::string& type_id)
-{
-	std::string link;
-	const unit_type* type = unit_types.find(type_id, unit_type::HELP_INDEXED);
-	
-	if(!type) {
-		std::cerr << "Unknown unit type : " << type_id << "\n";
-
-		// Don't return a hyperlink (no page). Instead show the id (as hint)
-		link = type_id;
-	} else if(!type->hide_help()) {
-		std::string name = type->type_name();
-		std::string ref_id;
-
-		if(description_type(*type) == FULL_DESCRIPTION) {
-			const std::string section_prefix = type->show_variations_in_help() ? ".." : "";
-			ref_id = section_prefix + unit_prefix + type->id();
-		} else {
-			ref_id = unknown_unit_topic;
-			name += " (?)";
-		}
-
-		link = make_link(name, ref_id);
-	} // if hide_help then link is an empty string
-
-	return link;
-}
-
 } // end anon namespace
 
 bool string_less::operator()(const std::string& s1, const std::string& s2) const
@@ -124,25 +96,6 @@ std::string escape(const std::string& s)
 	return utils::escape(s, "'\\");
 }
 
-std::vector<std::string> make_unit_links_list(const std::vector<std::string>& type_id_list, bool ordered)
-{
-	std::vector<std::string> links_list;
-
-	for(const std::string& type_id : type_id_list) {
-		std::string unit_link = make_unit_link(type_id);
-
-		if(!unit_link.empty()) {
-			links_list.push_back(std::move(unit_link));
-		}
-	}
-
-	if(ordered) {
-		std::sort(links_list.begin(), links_list.end());
-	}
-
-	return links_list;
-}
-
 ter_data_cache load_terrain_types_data()
 {
 	if(display* d = display::get_singleton()) {
diff --git a/src/help/utils.hpp b/src/help/utils.hpp
index 99fdb4ea0ab3..23a405b55169 100644
--- a/src/help/utils.hpp
+++ b/src/help/utils.hpp
@@ -76,8 +76,6 @@ inline std::string jump(const unsigned amount)
     return formatter() << "<jump>amount=" << amount << "</jump>";
 }
 
-std::vector<std::string> make_unit_links_list(const std::vector<std::string>& type_id_list, bool ordered);
-
 using ter_data_cache = std::shared_ptr<terrain_type_data>;
 
 /// Load the appropriate terrain types data to use