diff --git a/client.c b/client.c
index 5ac768062..db44c1440 100644
--- a/client.c
+++ b/client.c
@@ -932,20 +932,25 @@ uicb_client_moveresize(int screen, char *arg)
     if(globalconf.screens[sel->screen].resize_hints)
         geometry = client_geometry_hints(sel, geometry);
     client_resize(sel, geometry, false);
-    if (xqp && ox <= xqp->root_x && (ox + 2 * sel->border + ow) >= xqp->root_x &&
-        oy <= xqp->root_y && (oy + 2 * sel->border + oh) >= xqp->root_y)
+    if (xqp)
     {
-        nmx = xqp->root_x - (ox + sel->border) + sel->geometry.width - ow;
-        nmy = xqp->root_y - (oy + sel->border) + sel->geometry.height - oh;
+        if(ox <= xqp->root_x && (ox + 2 * sel->border + ow) >= xqp->root_x &&
+           oy <= xqp->root_y && (oy + 2 * sel->border + oh) >= xqp->root_y)
+        {
+            nmx = xqp->root_x - (ox + sel->border) + sel->geometry.width - ow;
+            nmy = xqp->root_y - (oy + sel->border) + sel->geometry.height - oh;
 
-        if(nmx < -sel->border) /* can happen on a resize */
-            nmx = -sel->border;
-        if(nmy < -sel->border)
-            nmy = -sel->border;
+            if(nmx < -sel->border) /* can happen on a resize */
+                nmx = -sel->border;
+            if(nmy < -sel->border)
+                nmy = -sel->border;
 
-        xcb_warp_pointer(globalconf.connection,
-                         XCB_NONE, sel->win,
-                         0, 0, 0, 0, nmx, nmy);
+            xcb_warp_pointer(globalconf.connection,
+                             XCB_NONE, sel->win,
+                             0, 0, 0, 0, nmx, nmy);
+        }
+
+        p_delete(&xqp);
     }
 }
 
diff --git a/event.c b/event.c
index 951870821..525268fa1 100644
--- a/event.c
+++ b/event.c
@@ -403,6 +403,7 @@ event_handle_keypress(void *data __attribute__ ((unused)),
              * number with screen_get_bycoord: we'll get 0 in Zaphod mode
              * so it's the same, or maybe the real Xinerama screen */
             screen = screen_get_bycoord(globalconf.screens_info, screen, qpr->root_x, qpr->root_y);
+            p_delete(&qpr);
             break;
         }
 
@@ -457,6 +458,9 @@ event_handle_maprequest(void *data __attribute__ ((unused)),
         p_delete(&wa);
         return 0;
     }
+
+    p_delete(&wa);
+
     if(!client_get_bywin(globalconf.clients, ev->window))
     {
         if((wgeom = xcb_get_geometry_reply(connection,
@@ -468,13 +472,14 @@ event_handle_maprequest(void *data __attribute__ ((unused)),
                                              xcb_query_pointer(connection,
                                                                xcb_aux_get_screen(globalconf.connection, screen_nbr)->root),
                                              NULL)) != NULL)
-            screen_nbr = screen_get_bycoord(globalconf.screens_info, screen_nbr, qpr->root_x, qpr->root_y);
-        else
-            for (iter = xcb_setup_roots_iterator (xcb_get_setup (connection)), screen_nbr = 0;
-                 iter.rem && iter.data->root != wgeom->root; xcb_screen_next (&iter), ++screen_nbr);
-
-        if(qpr)
+        {
+            screen_nbr = screen_get_bycoord(globalconf.screens_info, screen_nbr,
+                                            qpr->root_x, qpr->root_y);
             p_delete(&qpr);
+        }
+        else
+            for(iter = xcb_setup_roots_iterator (xcb_get_setup (connection)), screen_nbr = 0;
+                iter.rem && iter.data->root != wgeom->root; xcb_screen_next (&iter), ++screen_nbr);
 
         client_manage(ev->window, wgeom, screen_nbr);
         p_delete(&wgeom);
diff --git a/layout.c b/layout.c
index 87f73fc6e..6083e59d2 100644
--- a/layout.c
+++ b/layout.c
@@ -83,12 +83,14 @@ arrange(int screen)
                                       xcb_query_pointer_unchecked(globalconf.connection,
                                                                   xcb_aux_get_screen(globalconf.connection,
                                                                                      phys_screen)->root),
-                                      NULL)) != NULL
-       && (xqp->root == XCB_NONE || xqp->child == XCB_NONE || xqp->root == xqp->child))
+                                      NULL)) != NULL)
     {
-        window_root_grabbuttons(phys_screen);
+        if(xqp->root == XCB_NONE || xqp->child == XCB_NONE || xqp->root == xqp->child)
+            window_root_grabbuttons(phys_screen);
+
         globalconf.pointer_x = xqp->root_x;
         globalconf.pointer_y = xqp->root_y;
+        p_delete(&xqp);
     }
 
     /* reset status */
diff --git a/mouse.c b/mouse.c
index f9d99b0f5..6d92a04d2 100644
--- a/mouse.c
+++ b/mouse.c
@@ -222,7 +222,6 @@ uicb_client_movemouse(int screen, char *arg __attribute__ ((unused)))
                         mouse_resizebar_draw(ctx, style, sw, c->geometry, c->border);
 
                     xcb_aux_sync(globalconf.connection);
-                    p_delete(&ev);
                 }
                 else
                 {
diff --git a/placement.c b/placement.c
index ba9ced151..d58c80fb7 100644
--- a/placement.c
+++ b/placement.c
@@ -141,6 +141,8 @@ placement_under_mouse(Client *c)
     {
         finalgeometry.x = xqp->root_x - c->f_geometry.width / 2;
         finalgeometry.y = xqp->root_y - c->f_geometry.height / 2;
+
+        p_delete(&xqp);
     }
 
     finalgeometry = titlebar_geometry_add(&c->titlebar, finalgeometry);