diff --git a/net-misc/castor/castor-0.8.15.ebuild b/net-misc/castor/castor-0.8.15.ebuild
index 49466f36df..ca4cf435d6 100644
--- a/net-misc/castor/castor-0.8.15.ebuild
+++ b/net-misc/castor/castor-0.8.15.ebuild
@@ -1,4 +1,4 @@
-# Copyright 2020 Gentoo Authors
+# Copyright-2020 2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -127,6 +127,9 @@ RDEPEND="
 "
 DEPEND="${RDEPEND}"
 
+# Rust packages ignore CFLAGS and LDFLAGS so let's silence the QA warnings
+QA_FLAGS_IGNORED="usr/bin/castor"
+
 src_test() {
 	# FIXME: test absolute_url::test_make_absolute_just_path fails without this,
 	# but I couldn't reproduce it.
diff --git a/net-misc/castor/castor-0.8.16.ebuild b/net-misc/castor/castor-0.8.16.ebuild
index 49466f36df..f2f79e18d8 100644
--- a/net-misc/castor/castor-0.8.16.ebuild
+++ b/net-misc/castor/castor-0.8.16.ebuild
@@ -1,4 +1,4 @@
-# Copyright 2020 Gentoo Authors
+# Copyright 2020-2021 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=7
@@ -127,6 +127,9 @@ RDEPEND="
 "
 DEPEND="${RDEPEND}"
 
+# Rust packages ignore CFLAGS and LDFLAGS so let's silence the QA warnings
+QA_FLAGS_IGNORED="usr/bin/castor"
+
 src_test() {
 	# FIXME: test absolute_url::test_make_absolute_just_path fails without this,
 	# but I couldn't reproduce it.