diff --git a/src/core/forces_inline.hpp b/src/core/forces_inline.hpp
index eb47a04b5a4..f22d88e7d94 100644
--- a/src/core/forces_inline.hpp
+++ b/src/core/forces_inline.hpp
@@ -251,7 +251,6 @@ inline void add_non_bonded_pair_force(Particle &p1, Particle &p2,
   /* bond creation and breaking                  */
   /***********************************************/
 
-
   /***********************************************/
   /* non-bonded pair potentials                  */
   /***********************************************/
diff --git a/src/core/nonbonded_interactions/nonbonded_interaction_data.cpp b/src/core/nonbonded_interactions/nonbonded_interaction_data.cpp
index 3f325117817..72191efb755 100644
--- a/src/core/nonbonded_interactions/nonbonded_interaction_data.cpp
+++ b/src/core/nonbonded_interactions/nonbonded_interaction_data.cpp
@@ -148,7 +148,6 @@ static double recalc_maximal_cutoff(const IA_parameters &data) {
                              (data.soft_sphere.cut + data.soft_sphere.offset));
 #endif
 
-
 #ifdef MEMBRANE_COLLISION
   max_cut_current = std::max(max_cut_current, data.membrane.cut);
 #endif
diff --git a/src/core/nonbonded_interactions/nonbonded_interaction_data.hpp b/src/core/nonbonded_interactions/nonbonded_interaction_data.hpp
index 5b4d72d9661..ae87235f4c1 100644
--- a/src/core/nonbonded_interactions/nonbonded_interaction_data.hpp
+++ b/src/core/nonbonded_interactions/nonbonded_interaction_data.hpp
@@ -241,7 +241,6 @@ struct IA_parameters {
   SoftSphere_Parameters soft_sphere;
 #endif
 
-
 #ifdef MEMBRANE_COLLISION
   Membrane_Parameters membrane;
 #endif
diff --git a/src/core/particle_data.cpp b/src/core/particle_data.cpp
index 33356d129fa..e3a2b482669 100644
--- a/src/core/particle_data.cpp
+++ b/src/core/particle_data.cpp
@@ -881,7 +881,6 @@ void rotate_particle(int part, const Utils::Vector3d &axis, double angle) {
 }
 #endif
 
-
 #ifdef MEMBRANE_COLLISION
 void set_particle_out_direction(int part, double *out_direction) {
   mpi_update_particle_property<Utils::Vector3d,
@@ -1598,7 +1597,6 @@ void pointer_to_rotational_inertia(Particle const *p, double const *&res) {
 }
 #endif
 
-
 #ifdef MEMBRANE_COLLISION
 void pointer_to_out_direction(const Particle *p, const double *&res) {
   res = p->p.out_direction.data();
diff --git a/src/core/particle_data.hpp b/src/core/particle_data.hpp
index ea92052ace4..b5183d16171 100644
--- a/src/core/particle_data.hpp
+++ b/src/core/particle_data.hpp
@@ -110,7 +110,6 @@ struct ParticleProperties {
   static constexpr Utils::Vector3d rinertia = {1., 1., 1.};
 #endif
 
-
 #ifdef MEMBRANE_COLLISION
   /** parameters for membrane collision mechanisms */
   Utils::Vector3d out_direction = {0., 0., 0.};
@@ -634,7 +633,6 @@ void set_particle_rotation(int part, int rot);
  */
 void rotate_particle(int part, const Utils::Vector3d &axis, double angle);
 
-
 #ifdef MEMBRANE_COLLISION
 /** Call only on the master node: set particle out_direction.
  *  @param part the particle.