diff --git a/lib/layout.js b/lib/layout.js
index 5846495b..bcbf6886 100644
--- a/lib/layout.js
+++ b/lib/layout.js
@@ -31,7 +31,7 @@ function runLayout(g, time, opts) {
   time("    removeSelfEdges",        () => removeSelfEdges(g));
   time("    acyclic",                () => acyclic.run(g));
   time("    nestingGraph.run",       () => nestingGraph.run(g));
-  time("    rank",                   () => rank(util.asNonCompoundGraph(g)));
+  time("    rank",                   () => rank(g));
   time("    injectEdgeLabelProxies", () => injectEdgeLabelProxies(g));
   time("    removeEmptyRanks",       () => removeEmptyRanks(g));
   time("    nestingGraph.cleanup",   () => nestingGraph.cleanup(g));
diff --git a/lib/position/index.js b/lib/position/index.js
index 2258081c..64de29b5 100644
--- a/lib/position/index.js
+++ b/lib/position/index.js
@@ -6,8 +6,6 @@ let positionX = require("./bk").positionX;
 module.exports = position;
 
 function position(g) {
-  g = util.asNonCompoundGraph(g);
-
   positionY(g);
   Object.entries(positionX(g)).forEach(([v, x]) => g.node(v).x = x);
 }