diff --git a/Util/StringUtil.h b/Util/StringUtil.h
index 3c9375ca7..e6d8e043c 100644
--- a/Util/StringUtil.h
+++ b/Util/StringUtil.h
@@ -146,12 +146,6 @@ inline std::size_t URIDecode(const std::string &input, std::string &output)
 
 inline std::size_t URIDecodeInPlace(std::string &URI) { return URIDecode(URI, URI); }
 
-// TODO: remove after switch to libosmium
-inline bool StringStartsWith(const std::string &input, const std::string &prefix)
-{
-    return boost::starts_with(input, prefix);
-}
-
 inline std::string GetRandomString()
 {
     std::string s;