diff -pruN 5.15.17-1/debian/changelog 5.15.17-2/debian/changelog
--- 5.15.17-1/debian/changelog	2025-07-06 20:17:43.000000000 +0000
+++ 5.15.17-2/debian/changelog	2025-07-07 08:23:49.000000000 +0000
@@ -1,3 +1,9 @@
+qtwebsockets-opensource-src (5.15.17-2) experimental; urgency=medium
+
+  * Remove Qt_5.x symbols from the symbols files.
+
+ -- Dmitry Shachnev <mitya57@debian.org>  Mon, 07 Jul 2025 11:23:49 +0300
+
 qtwebsockets-opensource-src (5.15.17-1) experimental; urgency=medium
 
   * New upstream release.
diff -pruN 5.15.17-1/debian/libqt5websockets5.symbols 5.15.17-2/debian/libqt5websockets5.symbols
--- 5.15.17-1/debian/libqt5websockets5.symbols	2025-07-06 20:17:43.000000000 +0000
+++ 5.15.17-2/debian/libqt5websockets5.symbols	2025-07-07 08:23:49.000000000 +0000
@@ -1,22 +1,6 @@
 # SymbolsHelper-Confirmed: 5.15.1 amd64
 libQt5WebSockets.so.5 libqt5websockets5 #MINVER#
 * Build-Depends-Package: libqt5websockets5-dev
- Qt_5.0@Qt_5.0 5.6.0
- Qt_5.10@Qt_5.10 5.10.1
- Qt_5.11@Qt_5.11 5.11.0
- Qt_5.12@Qt_5.12 5.12.0
- Qt_5.13@Qt_5.13 5.14.1
- Qt_5.14@Qt_5.14 5.14.1
- Qt_5.15@Qt_5.15 5.15.1
- Qt_5.1@Qt_5.1 5.6.0
- Qt_5.2@Qt_5.2 5.6.0
- Qt_5.3@Qt_5.3 5.6.0
- Qt_5.4@Qt_5.4 5.6.0
- Qt_5.5@Qt_5.5 5.6.0
- Qt_5.6@Qt_5.6 5.6.0
- Qt_5.7@Qt_5.7 5.7.1
- Qt_5.8@Qt_5.8 5.9.0
- Qt_5.9@Qt_5.9 5.9.0
  Qt_5@Qt_5 5.6.0
  (symver)Qt_5_PRIVATE_API 0
  _ZN10QWebSocket11qt_metacallEN11QMetaObject4CallEiPPv@Qt_5 5.6.0