diff --git a/plugins/VersionUpgrade/VersionUpgrade49to50/VersionUpgrade49to50.py b/plugins/VersionUpgrade/VersionUpgrade49to50/VersionUpgrade49to50.py
index af6d80ec63..a2b1e68292 100644
--- a/plugins/VersionUpgrade/VersionUpgrade49to50/VersionUpgrade49to50.py
+++ b/plugins/VersionUpgrade/VersionUpgrade49to50/VersionUpgrade49to50.py
@@ -9,7 +9,9 @@ from UM.VersionUpgrade import VersionUpgrade
 _removed_settings = {
     "travel_compensate_overlapping_walls_enabled",
     "travel_compensate_overlapping_walls_0_enabled",
-    "travel_compensate_overlapping_walls_x_enabled"
+    "travel_compensate_overlapping_walls_x_enabled",
+    "fill_perimeter_gaps",
+    "fill_outline_gaps"
 }
 
 
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 23beecb538..6cc2ca6333 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -1366,19 +1366,6 @@
                     "enabled": "wall_min_flow > 0",
                     "settable_per_mesh": true
                 },
-                "fill_perimeter_gaps":
-                {
-                    "label": "Fill Gaps Between Walls",
-                    "description": "Fills the gaps between walls where no walls fit.",
-                    "type": "enum",
-                    "options": {
-                        "nowhere": "Nowhere",
-                        "everywhere": "Everywhere"
-                    },
-                    "default_value": "everywhere",
-                    "limit_to_extruder": "wall_0_extruder_nr",
-                    "settable_per_mesh": true
-                },
                 "filter_out_tiny_gaps":
                 {
                     "label": "Filter Out Tiny Gaps",
@@ -1388,14 +1375,6 @@
                     "limit_to_extruder": "wall_0_extruder_nr",
                     "settable_per_mesh": true
                 },
-                "fill_outline_gaps": {
-                    "label": "Print Thin Walls",
-                    "description": "Print pieces of the model which are horizontally thinner than the nozzle size.",
-                    "type": "bool",
-                    "default_value": false,
-                    "limit_to_extruder": "wall_0_extruder_nr",
-                    "settable_per_mesh": true
-                },
                 "min_feature_size":
                 {
                     "label": "Minimum Feature Size",