diff --git a/test/gtest_imu_mocap_fusion.cpp b/test/gtest_imu_mocap_fusion.cpp
index c753366d6ec44e2a6c2bf668acc5a493d109a0c6..a22d2893bf60d07c27cfd60bdfe92471f2105e61 100644
--- a/test/gtest_imu_mocap_fusion.cpp
+++ b/test/gtest_imu_mocap_fusion.cpp
@@ -33,7 +33,7 @@ using namespace wolf;
 const Vector3d zero3 = Vector3d::Zero();
 const double dt = 0.001;
 
-const bool WRITE_CSV = false;
+#define WRITE_CSV false
 
 
 void printingFactorErrors(ProblemPtr pbe){
@@ -232,8 +232,8 @@ class ImuMocapFusion_Test : public testing::Test
                 std::string report = solver_->solve(SolverManager::ReportVerbosity::BRIEF);
                 nb_kf = problem_->getTrajectory()->getFrameMap().size();
 
-                Vector6d imu_bias = sensor_imu_->getIntrinsic()->getState();
                 #ifdef WRITE_CSV
+                Vector6d imu_bias = sensor_imu_->getIntrinsic()->getState();
                     file_bias << std::setprecision(std::numeric_limits<long double>::digits10 + 1)
                         << t << ","
                         << imu_bias(0) << ","
@@ -252,7 +252,7 @@ class ImuMocapFusion_Test : public testing::Test
         #ifdef WRITE_CSV
             file_gtr.close();
             file_bias.close();
-        #endif WRITE_CSV
+        #endif
 
     }
 
@@ -338,4 +338,4 @@ int main(int argc, char **argv)
 {
   testing::InitGoogleTest(&argc, argv);
   return RUN_ALL_TESTS();
-}
\ No newline at end of file
+}
diff --git a/test/processor_imu_UnitTester.h b/test/processor_imu_UnitTester.h
index f9990707cb56f5ec6d1357683aa749503343ca1b..8fbc98399e50afb96e48d6cfd82dcb88bb2d07a4 100644
--- a/test/processor_imu_UnitTester.h
+++ b/test/processor_imu_UnitTester.h
@@ -108,17 +108,6 @@ namespace wolf {
             jacobian_delta_ = Eigen::MatrixXd::Zero(9,9);
         }
 
-        Imu_jac_deltas(Imu_jac_deltas const & toCopy){
-
-            Delta_noisy_vect_ = toCopy.Delta_noisy_vect_;
-            delta_noisy_vect_ = toCopy.delta_noisy_vect_;
-
-            Delta0_ = toCopy.Delta0_;
-            delta0_ = toCopy.delta0_;
-            jacobian_delta_preint_ = toCopy.jacobian_delta_preint_;
-            jacobian_delta_ = toCopy.jacobian_delta_;
-        }
-        
         public:
             /*The following vectors will contain all the matrices and deltas needed to compute the finite differences.
               Elements at place 0 are those not affected by the bias noise that we add (Delta_noise, delta_noise -> dPx, dpx, dVx, dvx,..., dOz,doz).