diff --git a/src/libbidir/mut_manifold.cpp b/src/libbidir/mut_manifold.cpp
index 48af6dee..32af05f3 100644
--- a/src/libbidir/mut_manifold.cpp
+++ b/src/libbidir/mut_manifold.cpp
@@ -191,7 +191,7 @@ bool ManifoldPerturbation::sampleMutationRecord(
 	Float sample = m_sampler->next1D();
 	a = -1;
 
-	if (source.vertex(k-1)->isConnectable() && false) {
+	if (source.vertex(k-1)->isConnectable()) {
 		/* Extra optimization: slightly prefer perturbations from the sensor */
 		#define SENSOR_PROB (Float) 0.25f
 
@@ -203,9 +203,6 @@ bool ManifoldPerturbation::sampleMutationRecord(
 		}
 	}
 
-	a = 1;
-	step = 1;
-
 	if (a < 0) {
 		step = sample < 0.5f ? 1 : -1;