diff --git a/binaries/data/mods/public/gui/common/tooltips.js b/binaries/data/mods/public/gui/common/tooltips.js
index 412e755032..e98c60c841 100644
--- a/binaries/data/mods/public/gui/common/tooltips.js
+++ b/binaries/data/mods/public/gui/common/tooltips.js
@@ -437,6 +437,16 @@ function getEntityCostTooltip(template, trainNum, entity)
 	return "";
 }
 
+function getRequiredTechnologyTooltip(technologyEnabled, requiredTechnology)
+{
+	if (technologyEnabled)
+		return "";
+
+	return sprintf(translate("Requires %(technology)s"), {
+		"technology": getEntityNames(GetTechnologyData(requiredTechnology))
+	});
+}
+
 /**
  * Returns the population bonus information to display in the specified entity's construction button tooltip.
  */
diff --git a/binaries/data/mods/public/gui/session/selection_panels.js b/binaries/data/mods/public/gui/session/selection_panels.js
index eefdd886c2..464e14a880 100644
--- a/binaries/data/mods/public/gui/session/selection_panels.js
+++ b/binaries/data/mods/public/gui/session/selection_panels.js
@@ -1228,13 +1228,3 @@ let g_PanelsOrder = [
 	"Queue",
 	"Selection",
 ];
-
-function getRequiredTechnologyTooltip(technologyEnabled, requiredTechnology)
-{
-	if (technologyEnabled)
-		return "";
-
-	return sprintf(translate("Requires %(technology)s"), {
-		"technology": getEntityNames(GetTechnologyData(requiredTechnology))
-	});
-}