diff --git a/poincare/test/addition.cpp b/poincare/test/addition.cpp
index 45a5675b9..18c06502d 100644
--- a/poincare/test/addition.cpp
+++ b/poincare/test/addition.cpp
@@ -37,7 +37,6 @@ QUIZ_CASE(poincare_addition_evaluate) {
   assert_parsed_expression_evaluates_to<float>("I", "I");
   assert_parsed_expression_evaluates_to<float>("I+I", "2*I");
   assert_parsed_expression_evaluates_to<double>("2+I+4+I", "6+2*I");
-#if 0
 #if MATRICES_ARE_DEFINED
   assert_parsed_expression_evaluates_to<float>("[[1,2][3,4][5,6]]+3", "[[4,5][6,7][8,9]]");
   assert_parsed_expression_evaluates_to<double>("[[1,2+I][3,4][5,6]]+3+I", "[[4+I,5+2*I][6+I,7+I][8+I,9+I]]");
@@ -46,7 +45,6 @@ QUIZ_CASE(poincare_addition_evaluate) {
   assert_parsed_expression_evaluates_to<float>("[[1,2][3,4][5,6]]+[[1,2][3,4][5,6]]", "[[2,4][6,8][10,12]]");
   assert_parsed_expression_evaluates_to<double>("[[1,2+I][3,4][5,6]]+[[1,2+I][3,4][5,6]]", "[[2,4+2*I][6,8][10,12]]");
 #endif
-#endif
 }
 
 QUIZ_CASE(poincare_addition_simplify) {