diff --git a/internal/ceres/autodiff_cost_function_test.cc b/internal/ceres/autodiff_cost_function_test.cc
index 2f44595..33e576f 100644
--- a/internal/ceres/autodiff_cost_function_test.cc
+++ b/internal/ceres/autodiff_cost_function_test.cc
@@ -44,15 +44,13 @@
   template <typename T>
   bool operator()(const T* const x, const T* const y,
                   T* cost) const {
-    cost[0] =
-      x[0] * y[0] + x[1] * y[1]  - T(a_);
+    cost[0] = x[0] * y[0] + x[1] * y[1]  - T(a_);
     return true;
   }
  private:
   double a_;
 };
 
-
 TEST(AutoDiffResidualAndJacobian, BilinearDifferentiationTest) {
   CostFunction* cost_function  =
     new AutoDiffCostFunction<BinaryScalarCost, 1, 2, 2>(
@@ -72,7 +70,6 @@
   jacobians[0] = new double[2];
   jacobians[1] = new double[2];
 
-
   double residuals = 0.0;
 
   cost_function->Evaluate(parameters, &residuals, NULL);