diff --git a/plugins/MakerbotWriter/MakerbotWriter.py b/plugins/MakerbotWriter/MakerbotWriter.py
index 926fd54f62..9535f7b107 100644
--- a/plugins/MakerbotWriter/MakerbotWriter.py
+++ b/plugins/MakerbotWriter/MakerbotWriter.py
@@ -41,7 +41,7 @@ class MakerbotWriter(MeshWriter):
         )
         MimeTypeDatabase.addMimeType(
             MimeType(
-                name="application/x-makerbotsketch",
+                name="application/x-makerbot-sketch",
                 comment="Makerbot Toolpath Package",
                 suffixes=["makerbot"]
             )
@@ -106,7 +106,7 @@ class MakerbotWriter(MeshWriter):
             self.setInformation(gcode_writer.getInformation())
             return False
 
-        if file_format == "application/x-makerbotsketch":
+        if file_format == "application/x-makerbot-sketch":
             filename, filedata = "print.gcode", gcode_text_io.getvalue()
         else:
             filename, filedata = "print.jsontoolpath", du.gcode_2_miracle_jtp(gcode_text_io.getvalue())
diff --git a/plugins/MakerbotWriter/__init__.py b/plugins/MakerbotWriter/__init__.py
index 29ae9f083d..60f232fbc0 100644
--- a/plugins/MakerbotWriter/__init__.py
+++ b/plugins/MakerbotWriter/__init__.py
@@ -23,7 +23,7 @@ def getMetaData():
                 {
                     "extension": file_extension,
                     "description": catalog.i18nc("@item:inlistbox", "Makerbot Sketch Printfile"),
-                    "mime_type": "application/x-makerbotsketch",
+                    "mime_type": "application/x-makerbot-sketch",
                     "mode": MakerbotWriter.MakerbotWriter.OutputMode.BinaryMode,
                 }
             ]
diff --git a/plugins/PostProcessingPlugin/scripts/FilamentChange.py b/plugins/PostProcessingPlugin/scripts/FilamentChange.py
index 44c27fda50..6fe28ef2f2 100644
--- a/plugins/PostProcessingPlugin/scripts/FilamentChange.py
+++ b/plugins/PostProcessingPlugin/scripts/FilamentChange.py
@@ -117,7 +117,6 @@ class FilamentChange(Script):
                         "UltiGCode": "Ultimaker 2",
                         "Griffin": "Griffin",
                         "Makerbot": "Makerbot",
-                        "Sketch": "Sketch",
                         "BFB": "Bits from Bytes",
                         "MACH3": "Mach3",
                         "Repetier": "Repetier"
diff --git a/plugins/PostProcessingPlugin/scripts/PauseAtHeight.py b/plugins/PostProcessingPlugin/scripts/PauseAtHeight.py
index d292021f79..f502678317 100644
--- a/plugins/PostProcessingPlugin/scripts/PauseAtHeight.py
+++ b/plugins/PostProcessingPlugin/scripts/PauseAtHeight.py
@@ -206,7 +206,6 @@ class PauseAtHeight(Script):
                         "UltiGCode": "Ultimaker 2",
                         "Griffin": "Griffin",
                         "Makerbot": "Makerbot",
-                        "Sketch": "Sketch",
                         "BFB": "Bits from Bytes",
                         "MACH3": "Mach3",
                         "Repetier": "Repetier"
diff --git a/resources/definitions/fdmprinter.def.json b/resources/definitions/fdmprinter.def.json
index 7b189f7bbe..7591a30232 100644
--- a/resources/definitions/fdmprinter.def.json
+++ b/resources/definitions/fdmprinter.def.json
@@ -381,7 +381,6 @@
                         "UltiGCode": "Ultimaker 2",
                         "Griffin": "Griffin",
                         "Makerbot": "Makerbot",
-                        "makerbotSketch": "Sketch",
                         "BFB": "Bits from Bytes",
                         "MACH3": "Mach3",
                         "Repetier": "Repetier"
diff --git a/resources/definitions/ultimaker_sketch.def.json b/resources/definitions/ultimaker_sketch.def.json
index 67abb8c85f..31d6e80b62 100644
--- a/resources/definitions/ultimaker_sketch.def.json
+++ b/resources/definitions/ultimaker_sketch.def.json
@@ -7,7 +7,7 @@
         "visible": true,
         "author": "Ultimaker",
         "manufacturer": "Ultimaker B.V.",
-        "file_formats": "application/x-makerbotsketch",
+        "file_formats": "application/x-makerbot-sketch",
         "platform": "ultimaker_sketch_platform.obj",
         "exclude_materials": [
             "dsm_175_novamidid1030cf",
@@ -199,7 +199,6 @@
         "adhesion_type": { "value": "'raft'" },
         "brim_width": { "value": "3" },
         "cool_fan_speed": { "value": "100" },
-        "cool_min_time": { "value": 3 },
         "default_material_print_temperature": { "value": "215" },
         "extruder_prime_pos_abs": { "default_value": true },
         "gantry_height": { "value": "60" },