diff --git a/internal/ceres/line_search_minimizer.cc b/internal/ceres/line_search_minimizer.cc
index 905e6ea..953d8d8 100644
--- a/internal/ceres/line_search_minimizer.cc
+++ b/internal/ceres/line_search_minimizer.cc
@@ -361,7 +361,6 @@
     iteration_summary.step_norm = delta.norm();
     iteration_summary.step_is_valid = true;
     iteration_summary.step_is_successful = true;
-    iteration_summary.step_norm = delta.norm();
     iteration_summary.step_size =  current_state.step_size;
     iteration_summary.line_search_function_evaluations =
         line_search_summary.num_function_evaluations;