diff --git a/src/clientversion.cpp b/src/clientversion.cpp
index 6bf7ef6406..9445e3b6f5 100644
--- a/src/clientversion.cpp
+++ b/src/clientversion.cpp
@@ -68,11 +68,7 @@ std::string FormatSubVersion(const std::string& name, int nClientVersion, const
 {
     std::string comments_str;
     if (!comments.empty()) comments_str = strprintf("(%s)", Join(comments, "; "));
-    std::string ua = strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
-    if (!base_name_only) {
-        ua += "Knots:20250305/";
-    }
-    return ua;
+    return strprintf("/%s:%s%s/", name, FormatVersion(nClientVersion), comments_str);
 }

 std::string CopyrightHolders(const std::string& strPrefix)