diff --git a/src/backends/meta-crtc.c b/src/backends/meta-crtc.c
index 7ca31ba399d61b31b8c270814a16cfc482a8d18e..85424c5756baf466deab4d366391426253199a83 100644
--- a/src/backends/meta-crtc.c
+++ b/src/backends/meta-crtc.c
@@ -63,6 +63,8 @@ meta_crtc_mode_finalize (GObject *object)
   if (crtc_mode->driver_notify)
     crtc_mode->driver_notify (crtc_mode);
 
+  g_clear_pointer (&crtc_mode->name, g_free);
+
   G_OBJECT_CLASS (meta_crtc_mode_parent_class)->finalize (object);
 }
 
diff --git a/src/backends/native/meta-kms-connector.c b/src/backends/native/meta-kms-connector.c
index c018a5e62e1583c7de020ff8703b453e87212499..ce8d28ae0784dc7ade9c02afa3be8d5d17f5c79c 100644
--- a/src/backends/native/meta-kms-connector.c
+++ b/src/backends/native/meta-kms-connector.c
@@ -381,8 +381,11 @@ set_encoder_device_idx_bit (uint32_t          *encoder_device_idxs,
       if (drm_encoder->encoder_id == encoder_id)
         {
           *encoder_device_idxs |= (1 << i);
+          drmModeFreeEncoder (drm_encoder);
           break;
         }
+
+      drmModeFreeEncoder (drm_encoder);
     }
 }
 
@@ -421,6 +424,8 @@ state_set_crtc_state (MetaKmsConnectorState *state,
 
       if (drm_connector->encoder_id == drm_encoder->encoder_id)
         state->current_crtc_id = drm_encoder->crtc_id;
+
+      drmModeFreeEncoder (drm_encoder);
     }
 
   state->common_possible_crtcs = common_possible_crtcs;
diff --git a/src/backends/native/meta-kms-crtc.c b/src/backends/native/meta-kms-crtc.c
index da99a58cd2ecbb7fd253743b787500197c3a99a0..6cf75249493e8cb4927ec25b738dc1c9f5df17c0 100644
--- a/src/backends/native/meta-kms-crtc.c
+++ b/src/backends/native/meta-kms-crtc.c
@@ -203,6 +203,7 @@ meta_kms_crtc_predict_state (MetaKmsCrtc   *crtc,
       if (gamma->crtc != crtc)
         continue;
 
+      clear_gamma_state (crtc);
       crtc->current_state.gamma.size = gamma->size;
       crtc->current_state.gamma.red =
         g_memdup (gamma->red, gamma->size * sizeof (uint16_t));
diff --git a/src/wayland/meta-wayland-surface.c b/src/wayland/meta-wayland-surface.c
index 74e134fb6dcbc7b664cba729b1d280a633f6083d..c991d65535c0e3a21bfc80cfab88ed355271f255 100644
--- a/src/wayland/meta-wayland-surface.c
+++ b/src/wayland/meta-wayland-surface.c
@@ -206,7 +206,7 @@ meta_wayland_surface_assign_role (MetaWaylandSurface *surface,
                                           (const GValue *) values->data);
           surface->role = META_WAYLAND_SURFACE_ROLE (role_object);
 
-          g_array_free (names, FALSE);
+          g_array_free (names, TRUE);
           g_array_free (values, TRUE);
         }
       else
diff --git a/src/wayland/meta-wayland.c b/src/wayland/meta-wayland.c
index 806c897c983ae65c305dedaa9d920b3e13668cc2..876b4925aa26b2d963cb7e68405a2662c4220e2a 100644
--- a/src/wayland/meta-wayland.c
+++ b/src/wayland/meta-wayland.c
@@ -266,13 +266,14 @@ set_gnome_env (const char *name,
 {
   GDBusConnection *session_bus;
   GError *error = NULL;
+  g_autoptr (GVariant) result = NULL;
 
   setenv (name, value, TRUE);
 
   session_bus = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
   g_assert (session_bus);
 
-  g_dbus_connection_call_sync (session_bus,
+  result = g_dbus_connection_call_sync (session_bus,
 			       "org.gnome.SessionManager",
 			       "/org/gnome/SessionManager",
 			       "org.gnome.SessionManager",
diff --git a/src/wayland/meta-window-wayland.c b/src/wayland/meta-window-wayland.c
index 5a73de4c4a8bb275cd708744e63a94ed3b9adb79..7c8bcff42a640643c3e2f676d32838a2be3b54dd 100644
--- a/src/wayland/meta-window-wayland.c
+++ b/src/wayland/meta-window-wayland.c
@@ -864,6 +864,8 @@ meta_window_wayland_finish_move_resize (MetaWindow              *window,
 
   gravity = meta_resize_gravity_from_grab_op (window->display->grab_op);
   meta_window_move_resize_internal (window, flags, gravity, rect);
+
+  g_clear_pointer (&acked_configuration, meta_wayland_window_configuration_free);
 }
 
 void