diff --git a/dev-dotnet/gtk-sharp/gtk-sharp-2.12.21.ebuild b/dev-dotnet/gtk-sharp/gtk-sharp-2.12.21.ebuild
index 655e59062a4f1..9d011d0f9f489 100644
--- a/dev-dotnet/gtk-sharp/gtk-sharp-2.12.21.ebuild
+++ b/dev-dotnet/gtk-sharp/gtk-sharp-2.12.21.ebuild
@@ -9,7 +9,7 @@ SLOT="2"
 DESCRIPTION="gtk bindings for mono"
 LICENSE="GPL-2"
 HOMEPAGE="http://www.mono-project.com/GtkSharp"
-KEYWORDS="amd64 arm64 ppc x86"
+KEYWORDS="amd64 x86"
 SRC_URI="http://download.mono-project.com/sources/gtk-sharp212/${P}.tar.gz"
 IUSE="debug"