diff --git a/src/network/ssl/qsslsocket.h b/src/network/ssl/qsslsocket.h
index a3fd14b813..b28916c951 100644
--- a/src/network/ssl/qsslsocket.h
+++ b/src/network/ssl/qsslsocket.h
@@ -57,7 +57,6 @@ class QDir;
 class QSslCipher;
 class QSslCertificate;
 class QSslConfiguration;
-class QSslEllipticCurve;
 class QSslPreSharedKeyAuthenticator;
 class QOcspResponse;