diff --git a/graphviz.spec b/graphviz.spec
index 27f4235..c7e1244 100644
--- a/graphviz.spec
+++ b/graphviz.spec
@@ -58,7 +58,6 @@ BuildRequires:	pkgconfig(freetype2)
 BuildRequires:	pkgconfig(glut)
 BuildRequires:	pkgconfig(gtk+-2.0)
 BuildRequires:	pkgconfig(gtkglext-1.0)
-BuildRequires:	pkgconfig(gtkgl-2.0)
 BuildRequires:	pkgconfig(libcurl)
 BuildRequires:	pkgconfig(libpng)
 BuildRequires:	pkgconfig(librsvg-2.0)