diff --git a/src/public/google-blockly/own/field_cron.js b/src/public/google-blockly/own/field_cron.js
index cf268d5fb..a256d077a 100644
--- a/src/public/google-blockly/own/field_cron.js
+++ b/src/public/google-blockly/own/field_cron.js
@@ -156,4 +156,4 @@ class FieldCRON extends Blockly.Field {
 
 Blockly.FieldCRON = FieldCRON;
 
-Blockly.Field.register('field_cron', FieldCRON);
+//Blockly.Field.register('field_cron', FieldCRON);
diff --git a/src/public/google-blockly/own/field_oid.js b/src/public/google-blockly/own/field_oid.js
index b841a1b28..9c32d0377 100644
--- a/src/public/google-blockly/own/field_oid.js
+++ b/src/public/google-blockly/own/field_oid.js
@@ -210,4 +210,4 @@ class FieldOID extends Blockly.Field {
 
 Blockly.FieldOID = FieldOID;
 
-Blockly.Field.register('field_oid', FieldOID);
+//Blockly.Field.register('field_oid', FieldOID);
diff --git a/src/public/google-blockly/own/field_script.js b/src/public/google-blockly/own/field_script.js
index 2db2c48d2..45dc5119d 100644
--- a/src/public/google-blockly/own/field_script.js
+++ b/src/public/google-blockly/own/field_script.js
@@ -161,4 +161,4 @@ class FieldScript extends Blockly.Field {
 
 Blockly.FieldScript = FieldScript;
 
-Blockly.Field.register('field_script', FieldScript);
+//Blockly.Field.register('field_script', FieldScript);