diff --git a/src/cell.c b/src/cell.c
index 11ecce083f7b2c82f3997fce349ddd33ff9441ce..03a23ed562b387d113bc68c0033979ec8578403a 100644
--- a/src/cell.c
+++ b/src/cell.c
@@ -1930,9 +1930,6 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
   const int nodeID = e->nodeID;
   int rebuild = 0;
 
-  if(c->loc[0] == 0. && c->loc[1] == 0. && c->loc[2] == 0.)
-    message("Found me! active=%d gcount=%d split=%d", cell_is_active(c, e), c->gcount, c->split);
-
   /* Un-skip the density tasks involved with this cell. */
   for (struct link *l = c->density; l != NULL; l = l->next) {
     struct task *t = l->t;
@@ -1941,9 +1938,6 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
     const int ci_active = cell_is_active(ci, e);
     const int cj_active = (cj != NULL) ? cell_is_active(cj, e) : 0;
 
-    if(c->loc[0] == 0. && c->loc[1] == 0. && c->loc[2] == 0.)
-      message("oO");
-
     /* Only activate tasks that involve a local active cell. */
     if ((ci_active && ci->nodeID == nodeID) ||
         (cj_active && cj->nodeID == nodeID)) {
@@ -2079,9 +2073,6 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
         (cj_active && cj->nodeID == engine_rank)) {
       scheduler_activate(s, t);
 
-      /* if(c->loc[0] == 0. && c->loc[1] == 0. && c->loc[2] == 0.) */
-      /* 	message("grav task found!"); */
-
       /* Set the drifting flags */
       if (t->type == task_type_self &&
           t->subtype == task_subtype_external_grav) {
@@ -2093,59 +2084,57 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
       }
     }
 
-    if(t->type == task_type_pair) {
+    if (t->type == task_type_pair) {
 
 #ifdef WITH_MPI
       /* Activate the send/recv tasks. */
       if (ci->nodeID != engine_rank) {
 
-	/* If the local cell is active, receive data from the foreign cell. */
-	if (cj_active) {
-	  scheduler_activate(s, ci->recv_grav);
-	}
-	
-	/* If the foreign cell is active, we want its ti_end values. */
-	if (ci_active)scheduler_activate(s, ci->recv_ti);
-	
-	/* Is the foreign cell active and will need stuff from us? */
-	if (ci_active) {
-	  
-	  scheduler_activate_send(s, cj->send_grav, ci->nodeID);
-	  
-	  /* Drift the cell which will be sent at the level at which it is
-	     sent, i.e. drift the cell specified in the send task (l->t)
-	     itself. */
-	  cell_activate_drift_gpart(cj, s);
-	}
-	
-	/* If the local cell is active, send its ti_end values. */
-	if (cj_active)scheduler_activate_send(s, cj->send_ti, ci->nodeID);
-	
+        /* If the local cell is active, receive data from the foreign cell. */
+        if (cj_active) {
+          scheduler_activate(s, ci->recv_grav);
+        }
+
+        /* If the foreign cell is active, we want its ti_end values. */
+        if (ci_active) scheduler_activate(s, ci->recv_ti);
+
+        /* Is the foreign cell active and will need stuff from us? */
+        if (ci_active) {
+
+          scheduler_activate_send(s, cj->send_grav, ci->nodeID);
+
+          /* Drift the cell which will be sent at the level at which it is
+             sent, i.e. drift the cell specified in the send task (l->t)
+             itself. */
+          cell_activate_drift_gpart(cj, s);
+        }
+
+        /* If the local cell is active, send its ti_end values. */
+        if (cj_active) scheduler_activate_send(s, cj->send_ti, ci->nodeID);
+
       } else if (cj->nodeID != engine_rank) {
-	
-	/* If the local cell is active, receive data from the foreign cell. */
-	if (ci_active) {
-	  scheduler_activate(s, cj->recv_grav);
-	}
-	
-	/* If the foreign cell is active, we want its ti_end values. */
-	if (cj_active)
-	  scheduler_activate(s, cj->recv_ti);
-	
-	/* Is the foreign cell active and will need stuff from us? */
-	if (cj_active) {
-	  
-	  scheduler_activate_send(s, ci->send_grav, cj->nodeID);
-	  
-	  /* Drift the cell which will be sent at the level at which it is
-	     sent, i.e. drift the cell specified in the send task (l->t)
-	     itself. */
-	  cell_activate_drift_gpart(ci, s);
-	}
-	
-	/* If the local cell is active, send its ti_end values. */
-	if (ci_active)
-	  scheduler_activate_send(s, ci->send_ti, cj->nodeID);
+
+        /* If the local cell is active, receive data from the foreign cell. */
+        if (ci_active) {
+          scheduler_activate(s, cj->recv_grav);
+        }
+
+        /* If the foreign cell is active, we want its ti_end values. */
+        if (cj_active) scheduler_activate(s, cj->recv_ti);
+
+        /* Is the foreign cell active and will need stuff from us? */
+        if (cj_active) {
+
+          scheduler_activate_send(s, ci->send_grav, cj->nodeID);
+
+          /* Drift the cell which will be sent at the level at which it is
+             sent, i.e. drift the cell specified in the send task (l->t)
+             itself. */
+          cell_activate_drift_gpart(ci, s);
+        }
+
+        /* If the local cell is active, send its ti_end values. */
+        if (ci_active) scheduler_activate_send(s, ci->send_ti, cj->nodeID);
       }
 #endif
     }
@@ -2167,8 +2156,8 @@ int cell_unskip_tasks(struct cell *c, struct scheduler *s) {
     if (c->kick1 != NULL) scheduler_activate(s, c->kick1);
     if (c->kick2 != NULL) scheduler_activate(s, c->kick2);
     if (c->timestep != NULL) scheduler_activate(s, c->timestep);
-    //if (c->grav_ghost[0] != NULL) scheduler_activate(s, c->grav_ghost[0]);
-    //if (c->grav_ghost[1] != NULL) scheduler_activate(s, c->grav_ghost[1]);
+    // if (c->grav_ghost[0] != NULL) scheduler_activate(s, c->grav_ghost[0]);
+    // if (c->grav_ghost[1] != NULL) scheduler_activate(s, c->grav_ghost[1]);
     if (c->grav_down != NULL) scheduler_activate(s, c->grav_down);
     if (c->grav_long_range != NULL) scheduler_activate(s, c->grav_long_range);
     if (c->cooling != NULL) scheduler_activate(s, c->cooling);
diff --git a/src/engine.c b/src/engine.c
index 2d133193d891427dc284e25ad827898088d85cfe..c07e1094a4810720042436fe9268ed615946896b 100644
--- a/src/engine.c
+++ b/src/engine.c
@@ -446,8 +446,8 @@ void engine_redistribute(struct engine *e) {
 
 #ifdef WITH_MPI
 
-    message("\n REDISTRIBUTE!!! \n");
-  
+  message("\n REDISTRIBUTE!!! \n");
+
   const int nr_nodes = e->nr_nodes;
   const int nodeID = e->nodeID;
   struct space *s = e->s;
@@ -2887,7 +2887,7 @@ void engine_maketasks(struct engine *e) {
     error("We have particles but no hydro or gravity tasks were created.");
 
   /* Split the tasks. */
-  //scheduler_splittasks(sched);
+  // scheduler_splittasks(sched);
 
   /* Free the old list of cell-task links. */
   if (e->links != NULL) free(e->links);
@@ -3262,7 +3262,7 @@ void engine_marktasks_mapper(void *map_data, int num_elements,
     }
 
     /* Periodic gravity stuff (Note this is not linked to a cell) ? */
-    else if (t->type == task_type_grav_top_level ){ //||
+    else if (t->type == task_type_grav_top_level) {  //||
       //             t->type == task_type_grav_ghost) {
       scheduler_activate(s, t);
     }
@@ -3323,7 +3323,7 @@ void engine_print_task_counts(struct engine *e) {
   int count_recv_ti = 0;
   int count_send_gpart = 0;
   int count_recv_gpart = 0;
-  
+
   /* Count and print the number of each task type. */
   int counts[task_type_count + 1];
   for (int k = 0; k <= task_type_count; k++) counts[k] = 0;
@@ -3333,14 +3333,18 @@ void engine_print_task_counts(struct engine *e) {
     else {
       counts[(int)tasks[k].type] += 1;
 
-      if(tasks[k].type == task_type_send && tasks[k].subtype == task_subtype_tend)
-	count_send_ti++;
-      if(tasks[k].type == task_type_recv && tasks[k].subtype == task_subtype_tend)
-	count_recv_ti++;
-      if(tasks[k].type == task_type_send && tasks[k].subtype == task_subtype_gpart)
-	count_send_gpart++;
-      if(tasks[k].type == task_type_recv && tasks[k].subtype == task_subtype_gpart)
-	count_recv_gpart++;
+      if (tasks[k].type == task_type_send &&
+          tasks[k].subtype == task_subtype_tend)
+        count_send_ti++;
+      if (tasks[k].type == task_type_recv &&
+          tasks[k].subtype == task_subtype_tend)
+        count_recv_ti++;
+      if (tasks[k].type == task_type_send &&
+          tasks[k].subtype == task_subtype_gpart)
+        count_send_gpart++;
+      if (tasks[k].type == task_type_recv &&
+          tasks[k].subtype == task_subtype_gpart)
+        count_recv_gpart++;
     }
   }
   message("Total = %d  (per cell = %d)", nr_tasks,
@@ -3356,12 +3360,12 @@ void engine_print_task_counts(struct engine *e) {
     printf(" %s=%i", taskID_names[k], counts[k]);
   printf(" skipped=%i ]\n", counts[task_type_count]);
   fflush(stdout);
-  //message("nr_parts = %zu.", e->s->nr_parts);
-  //message("nr_gparts = %zu.", e->s->nr_gparts);
-  //message("nr_sparts = %zu.", e->s->nr_sparts);
-  message("send_ti=%d, recv_ti=%d, send_gpart=%d, recv_gpart=%d",
-	  count_send_ti, count_recv_ti, count_send_gpart, count_recv_gpart);
-  
+  // message("nr_parts = %zu.", e->s->nr_parts);
+  // message("nr_gparts = %zu.", e->s->nr_gparts);
+  // message("nr_sparts = %zu.", e->s->nr_sparts);
+  message("send_ti=%d, recv_ti=%d, send_gpart=%d, recv_gpart=%d", count_send_ti,
+          count_recv_ti, count_send_gpart, count_recv_gpart);
+
   if (e->verbose)
     message("took %.3f %s.", clocks_from_ticks(getticks() - tic),
             clocks_getunit());
@@ -3568,12 +3572,12 @@ void engine_prepare(struct engine *e) {
 
   /* Unskip active tasks and check for rebuild */
   engine_unskip(e);
-  //engine_marktasks(e);
+  // engine_marktasks(e);
 
   space_print_cells(e->s);
 
   //  engine_print_task_counts(e);
-  
+
   /* Re-rank the tasks every now and then. */
   if (e->tasks_age % engine_tasksreweight == 1) {
     scheduler_reweight(&e->sched, e->verbose);
@@ -4163,8 +4167,8 @@ void engine_step(struct engine *e) {
   e->timeStep = (e->ti_current - e->ti_old) * e->timeBase;
   e->step_props = engine_step_prop_none;
 
-  //space_print_cells(e->s);
-  //message("nr cells: %d %d", e->s->nr_cells, e->s->tot_cells);
+  // space_print_cells(e->s);
+  // message("nr cells: %d %d", e->s->nr_cells, e->s->tot_cells);
   message("ti_current=%lld ti_old=%lld", e->ti_current, e->ti_old);
 
   /* Prepare the tasks to be launched, rebuild or repartition if needed. */
@@ -4218,7 +4222,7 @@ void engine_step(struct engine *e) {
   engine_launch(e);
   TIMER_TOC(timer_runners);
 
-  //error("done");
+// error("done");
 #ifdef SWIFT_GRAVITY_FORCE_CHECKS
   /* Check the accuracy of the gravity calculation */
   if (e->policy & engine_policy_self_gravity)
@@ -4310,7 +4314,7 @@ void engine_unskip(struct engine *e) {
   /* Activate all the regular tasks */
   threadpool_map(&e->threadpool, runner_do_unskip_mapper, e->s->local_cells_top,
                  e->s->nr_local_cells, sizeof(int), 1, e);
-  //threadpool_map(&e->threadpool, runner_do_unskip_mapper, e->s->cells_top,
+  // threadpool_map(&e->threadpool, runner_do_unskip_mapper, e->s->cells_top,
   //             e->s->nr_cells, sizeof(int), 1, e);
 
   /* And the top level gravity FFT one */
@@ -4345,7 +4349,7 @@ void engine_do_drift_all_mapper(void *map_data, int num_elements,
       /* Drift all the g-particles */
       cell_drift_gpart(c, e, 1);
     }
-      
+
     /* Drift the multipoles */
     if (e->policy & engine_policy_self_gravity) {
       cell_drift_all_multipoles(c, e);
diff --git a/src/gravity/Default/gravity.h b/src/gravity/Default/gravity.h
index 031b4b2d303dd2bd5acbc778112672cc03a918e2..34e10e8896cdc3de4a288e194dca2d75bc30a854 100644
--- a/src/gravity/Default/gravity.h
+++ b/src/gravity/Default/gravity.h
@@ -80,12 +80,6 @@ gravity_compute_timestep_self(const struct gpart* const gp,
   /* Note that 0.66666667 = 2. (from Gadget) / 3. (Plummer softening) */
   float dt = sqrtf(0.66666667f * grav_props->eta * epsilon * ac_inv);
 
-  if(gp->id_or_neg_offset == 1) {
-    dt /= 1000.;
-    message("lower dt %e", dt);
-
-  }
-
   return dt;
 }
 
diff --git a/src/runner.c b/src/runner.c
index ba626c771397ac6794770d2cfa0cf4668fa68589..c6689874baf54de8e5c449282b5a8ddc04bee11d 100644
--- a/src/runner.c
+++ b/src/runner.c
@@ -840,9 +840,6 @@ void runner_do_ghost(struct runner *r, struct cell *c, int timer) {
  */
 static void runner_do_unskip(struct cell *c, struct engine *e) {
 
-  if(c->loc[0] == 0. && c->loc[1] == 0. && c->loc[2] == 0.)
-    message("Found me! active=%d gcount=%d split=%d", cell_is_active(c, e), c->gcount, c->split);
-
   /* Ignore empty cells. */
   if (c->count == 0 && c->gcount == 0) return;
 
@@ -877,7 +874,7 @@ void runner_do_unskip_mapper(void *map_data, int num_elements,
   struct engine *e = (struct engine *)extra_data;
   struct space *s = e->s;
   int *local_cells = (int *)map_data;
-  
+
   for (int ind = 0; ind < num_elements; ind++) {
     struct cell *c = &s->cells_top[local_cells[ind]];
     if (c != NULL) runner_do_unskip(c, e);
diff --git a/src/space.c b/src/space.c
index bac20276d9b46123aa0da5b57ffd5e9b0f56ec7d..5753ccbf9f7f42e6ca150d185c244b88fa13e902 100644
--- a/src/space.c
+++ b/src/space.c
@@ -539,7 +539,7 @@ void space_rebuild(struct space *s, int verbose) {
 #endif
 
   message("\n REBUILD!!! \n");
-  
+
   /* Re-grid if necessary, or just re-set the cell data. */
   space_regrid(s, verbose);
 
@@ -3175,7 +3175,7 @@ void space_print_cells(const struct space *s) {
   FILE *file = fopen(filename, "w");
 
   fprintf(file, "ti_current=%lld\n", s->e->ti_current);
-  
+
   for (int k = 0; k < s->cdim[2]; ++k) {
 
     fprintf(file, "\n -- k=%d -- \n\n", k);
@@ -3187,7 +3187,10 @@ void space_print_cells(const struct space *s) {
 
         const int cid = cell_getid(s->cdim, i, j, k);
         const struct cell *c = &s->cells_top[cid];
-        fprintf(file, "|(%d-%lld-%d-%d%d-%d)", c->nodeID, c->ti_end_min, c->gcount, (c->recv_grav!=NULL), (c->recv_grav != NULL ? c->recv_grav->skip==0 : 0), (c->send_grav != NULL));
+        fprintf(file, "|(%d-%lld-%d-%d%d-%d)", c->nodeID, c->ti_end_min,
+                c->gcount, (c->recv_grav != NULL),
+                (c->recv_grav != NULL ? c->recv_grav->skip == 0 : 0),
+                (c->send_grav != NULL));
 #endif
       }
       fprintf(file, "|\n");