1 files changed, 9 insertions, 2 deletions
diff --git a/lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb b/lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb
index fdb6f102b3..d20b2cb0e0 100644
--- a/lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb
+++ b/lib/bundler/vendor/molinillo/lib/molinillo/dependency_graph/detach_vertex_named.rb
@@ -14,16 +14,23 @@ module Bundler::Molinillo
 
       # (see Action#up)
       def up(graph)
-        return unless @vertex = graph.vertices.delete(name)
+        return [] unless @vertex = graph.vertices.delete(name)
+
+        removed_vertices = [@vertex]
         @vertex.outgoing_edges.each do |e|
           v = e.destination
           v.incoming_edges.delete(e)
-          graph.detach_vertex_named(v.name) unless v.root? || v.predecessors.any?
+          if !v.root? && v.incoming_edges.empty?
+            removed_vertices.concat graph.detach_vertex_named(v.name)
+          end
         end
+
         @vertex.incoming_edges.each do |e|
           v = e.origin
           v.outgoing_edges.delete(e)
         end
+
+        removed_vertices
       end
 
       # (see Action#down)