diff --git a/resources/definitions/ultimaker2.def.json b/resources/definitions/ultimaker2.def.json
index 4cc291ff45..88731bc297 100644
--- a/resources/definitions/ultimaker2.def.json
+++ b/resources/definitions/ultimaker2.def.json
@@ -14,7 +14,6 @@
         "has_materials": false,
         "has_machine_quality": true,
         "preferred_variant_name": "0.4 mm",
-        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white"],
         "first_start_actions": ["UM2UpgradeSelection"],
         "supported_actions":["UM2UpgradeSelection"],
         "machine_extruder_trains":
diff --git a/resources/definitions/ultimaker2_plus.def.json b/resources/definitions/ultimaker2_plus.def.json
index 28fd2b71f9..dd97e944d6 100644
--- a/resources/definitions/ultimaker2_plus.def.json
+++ b/resources/definitions/ultimaker2_plus.def.json
@@ -14,6 +14,7 @@
         "has_materials": true,
         "has_machine_materials": true,
         "has_machine_quality": true,
+        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white", "generic_cffcpe", "generic_cffpa", "generic_gffcpe", "generic_gffpa", "structur3d_dap100silicone" ],
         "first_start_actions": [],
         "supported_actions": [],
         "machine_extruder_trains":
diff --git a/resources/definitions/ultimaker3.def.json b/resources/definitions/ultimaker3.def.json
index 6e01390703..e730a156ff 100644
--- a/resources/definitions/ultimaker3.def.json
+++ b/resources/definitions/ultimaker3.def.json
@@ -14,6 +14,7 @@
         "has_materials": true,
         "has_machine_materials": true,
         "has_variants": true,
+        "exclude_materials": [ "generic_cffcpe", "generic_cffpa", "generic_gffcpe", "generic_gffpa", "structur3d_dap100silicone" ],
         "preferred_variant_name": "AA 0.4",
         "preferred_quality_type": "normal",
         "variants_name": "Print core",
diff --git a/resources/definitions/ultimaker_original.def.json b/resources/definitions/ultimaker_original.def.json
index 6a978c47cb..5078e4747f 100644
--- a/resources/definitions/ultimaker_original.def.json
+++ b/resources/definitions/ultimaker_original.def.json
@@ -11,7 +11,7 @@
         "platform": "ultimaker_platform.stl",
         "has_materials": true,
         "has_machine_quality": true,
-        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white"],
+        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white", "generic_cffcpe", "generic_cffpa", "generic_gffcpe", "generic_gffpa", "structur3d_dap100silicone" ],
         "first_start_actions": ["UMOUpgradeSelection", "UMOCheckup", "BedLevel"],
         "supported_actions": ["UMOUpgradeSelection", "UMOCheckup", "BedLevel"],
         "machine_extruder_trains":
diff --git a/resources/definitions/ultimaker_original_dual.def.json b/resources/definitions/ultimaker_original_dual.def.json
index 999650aa28..8e44dc9a7d 100644
--- a/resources/definitions/ultimaker_original_dual.def.json
+++ b/resources/definitions/ultimaker_original_dual.def.json
@@ -12,7 +12,7 @@
         "has_materials": true,
         "has_machine_quality": true,
         "quality_definition": "ultimaker_original",
-        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white"],
+        "exclude_materials": ["generic_hips", "generic_petg", "generic_bam", "ultimaker_bam", "generic_pva", "ultimaker_pva", "generic_tough_pla", "ultimaker_tough_pla_black", "ultimaker_tough_pla_green", "ultimaker_tough_pla_red", "ultimaker_tough_pla_white", "generic_cffcpe", "generic_cffpa", "generic_gffcpe", "generic_gffpa", "structur3d_dap100silicone" ],
         "machine_extruder_trains":
         {
             "0": "ultimaker_original_dual_1st",