3 files changed, 3 insertions, 3 deletions
diff --git a/src/plugins/platforms/xcb/nativepainting/qt_x11_p.h b/src/plugins/platforms/xcb/nativepainting/qt_x11_p.h
index a13a8f0483..1f7e7cf49b 100644
--- a/src/plugins/platforms/xcb/nativepainting/qt_x11_p.h
+++ b/src/plugins/platforms/xcb/nativepainting/qt_x11_p.h
@@ -190,7 +190,7 @@ struct QX11InfoData {
 };
 
 template <class T>
-Q_DECL_RELAXED_CONSTEXPR inline int lowest_bit(T v) Q_DECL_NOTHROW
+Q_DECL_RELAXED_CONSTEXPR inline int lowest_bit(T v) noexcept
 {
     int result = qCountTrailingZeroBits(v);
     return ((result >> 3) == sizeof(T)) ? -1 : result;
diff --git a/src/plugins/platforms/xcb/qxcbconnection_basic.h b/src/plugins/platforms/xcb/qxcbconnection_basic.h
index 3691763398..b76aba2789 100644
--- a/src/plugins/platforms/xcb/qxcbconnection_basic.h
+++ b/src/plugins/platforms/xcb/qxcbconnection_basic.h
@@ -162,7 +162,7 @@ private:
 #define Q_XCB_REPLY_CONNECTION_ARG(connection, ...) connection
 
 struct QStdFreeDeleter {
-    void operator()(void *p) const Q_DECL_NOTHROW { return std::free(p); }
+    void operator()(void *p) const noexcept { return std::free(p); }
 };
 
 #define Q_XCB_REPLY(call, ...) \
diff --git a/src/plugins/platforms/xcb/qxcbcursor.h b/src/plugins/platforms/xcb/qxcbcursor.h
index 488988cbe9..0b238823f0 100644
--- a/src/plugins/platforms/xcb/qxcbcursor.h
+++ b/src/plugins/platforms/xcb/qxcbcursor.h
@@ -65,7 +65,7 @@ inline bool operator==(const QXcbCursorCacheKey &k1, const QXcbCursorCacheKey &k
     return k1.shape == k2.shape && k1.bitmapCacheKey == k2.bitmapCacheKey && k1.maskCacheKey == k2.maskCacheKey;
 }
 
-inline uint qHash(const QXcbCursorCacheKey &k, uint seed) Q_DECL_NOTHROW
+inline uint qHash(const QXcbCursorCacheKey &k, uint seed) noexcept
 {
     return (uint(k.shape) + uint(k.bitmapCacheKey) + uint(k.maskCacheKey)) ^ seed;
 }