diff --git a/libaegisub/common/json.cpp b/libaegisub/common/json.cpp
index af7798e0a..493ca2f5d 100644
--- a/libaegisub/common/json.cpp
+++ b/libaegisub/common/json.cpp
@@ -41,10 +41,6 @@ json::UnknownElement parse(std::istream &stream) {
 	}
 }
 
-json::UnknownElement file(agi::fs::path const& file) {
-	return parse(*io::Open(file));
-}
-
 json::UnknownElement file(agi::fs::path const& file, std::pair<const char *, size_t> default_config) {
 	try {
 		if (fs::FileExists(file))
diff --git a/libaegisub/include/libaegisub/json.h b/libaegisub/include/libaegisub/json.h
index cad86fd9c..4862cd0c1 100644
--- a/libaegisub/include/libaegisub/json.h
+++ b/libaegisub/include/libaegisub/json.h
@@ -26,11 +26,6 @@ namespace agi { namespace json_util {
 /// @return json::UnknownElement
 json::UnknownElement parse(std::istream &stream);
 
-/// Parse a JSON file.
-/// @param file Path JSON to file
-/// @return json::UnknownElement
-json::UnknownElement file(agi::fs::path const& file);
-
 /// Parse a json stream, with default handler.
 /// @param file Path to JSON file.
 /// @param Default config file to load incase of nonexistent file