diff --git a/src/bisection-simpler-example.cc b/src/bisection-simpler-example.cc
index b8466adc22ab4d80e5032b452328baa974cc513d..5c12666376e7152554706d6d3c24e5639b576c71 100644
--- a/src/bisection-simpler-example.cc
+++ b/src/bisection-simpler-example.cc
@@ -39,7 +39,6 @@ class SampleFunctional : public SmallFunctional<2> {
 };
 
 int main() {
-  int dim = 2;
   SampleFunctional::SmallMatrix A;
   A[0][0] = 3;
   A[0][1] = 0;