diff --git a/tycho.spec b/tycho.spec
index 0313bef..54fc697 100644
--- a/tycho.spec
+++ b/tycho.spec
@@ -142,7 +142,6 @@ BuildRequires:  eclipse-platform-bootstrap >= 4.8.0
 Requires:       eclipse-platform >= 4.8.0
 Obsoletes:      %{name}-bootstrap
 #!BuildRequires: eclipse-emf-core-bootstrap
-#!BuildRequires: eclipse-ecf-core-bootstrap
 %else
 # For bootstrapping, we just need the dependencies of the Eclipse bundles we use
 BuildRequires:  osgi(com.ibm.icu)