diff --git a/cairomm.spec b/cairomm.spec
index 4bd1dad..a3672f5 100644
--- a/cairomm.spec
+++ b/cairomm.spec
@@ -28,9 +28,6 @@ BuildRequires:  perl(Getopt::Long)
 
 BuildRequires:  doxygen
 
-Requires:       cairo%{?_isa} >= %{cairo_version}
-Requires:       libsigc++20%{?_isa} >= %{libsigc_version}
-
 %description
 This library provides a C++ interface to cairo.