diff --git a/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/model/diff/diffable_rule/diffable_rule.ts b/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/model/diff/diffable_rule/diffable_rule.ts
index 6e24b902995f46..374c6ff492e8d0 100644
--- a/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/model/diff/diffable_rule/diffable_rule.ts
+++ b/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/model/diff/diffable_rule/diffable_rule.ts
@@ -21,11 +21,8 @@ import {
   RequiredFieldArray,
   RiskScore,
   RiskScoreMapping,
-  RuleAuthorArray,
   RuleDescription,
-  RuleExceptionList,
   RuleFalsePositiveArray,
-  RuleLicense,
   RuleName,
   RuleReferenceArray,
   RuleSignatureId,
@@ -82,12 +79,9 @@ export const DiffableCommonFields = z.object({
   setup: SetupGuide,
   related_integrations: RelatedIntegrationArray,
   required_fields: RequiredFieldArray,
-  author: RuleAuthorArray,
-  license: RuleLicense,
 
   // Other domain fields
   rule_schedule: RuleSchedule, // NOTE: new field
-  exceptions_list: z.array(RuleExceptionList),
   max_signals: MaxSignals,
 
   // Optional fields
diff --git a/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/perform_rule_upgrade/perform_rule_upgrade_route.ts b/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/perform_rule_upgrade/perform_rule_upgrade_route.ts
index 784f75d09bd7a7..df037ce00aa606 100644
--- a/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/perform_rule_upgrade/perform_rule_upgrade_route.ts
+++ b/x-pack/plugins/security_solution/common/api/detection_engine/prebuilt_rules/perform_rule_upgrade/perform_rule_upgrade_route.ts
@@ -40,13 +40,7 @@ export const FIELDS_TO_UPGRADE_TO_CURRENT_VERSION = [
   'items_per_search',
 ] as const;
 
-export const NON_UPGRADEABLE_DIFFABLE_FIELDS = [
-  'type',
-  'rule_id',
-  'version',
-  'author',
-  'license',
-] as const;
+export const NON_UPGRADEABLE_DIFFABLE_FIELDS = ['type', 'rule_id', 'version'] as const;
 
 type NON_UPGRADEABLE_DIFFABLE_FIELDS_TO_OMIT_TYPE = {
   readonly [key in (typeof NON_UPGRADEABLE_DIFFABLE_FIELDS)[number]]: true;
diff --git a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/constants.ts b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/constants.ts
index 5d42c8d73fd84d..04660191c9cbf8 100644
--- a/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/constants.ts
+++ b/x-pack/plugins/security_solution/public/detection_engine/rule_management/components/rule_details/constants.ts
@@ -14,7 +14,6 @@ export const ABOUT_UPGRADE_FIELD_ORDER: Array<keyof DiffableAllFields> = [
   'version',
   'name',
   'description',
-  'author',
   'building_block',
   'investigation_fields',
   'severity',
@@ -23,7 +22,6 @@ export const ABOUT_UPGRADE_FIELD_ORDER: Array<keyof DiffableAllFields> = [
   'risk_score_mapping',
   'references',
   'false_positives',
-  'license',
   'rule_name_override',
   'threat',
   'threat_indicator_path',
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/prebuilt_rules/logic/diff/calculation/calculate_rule_fields_diff.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/prebuilt_rules/logic/diff/calculation/calculate_rule_fields_diff.ts
index b49e04f566c4bd..bde52596667d24 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/prebuilt_rules/logic/diff/calculation/calculate_rule_fields_diff.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/prebuilt_rules/logic/diff/calculation/calculate_rule_fields_diff.ts
@@ -194,10 +194,7 @@ const commonFieldsDiffAlgorithms: FieldsDiffAlgorithmsFor<DiffableCommonFields>
   setup: multiLineStringDiffAlgorithm,
   related_integrations: simpleDiffAlgorithm,
   required_fields: simpleDiffAlgorithm,
-  author: scalarArrayDiffAlgorithm,
-  license: singleLineStringDiffAlgorithm,
   rule_schedule: simpleDiffAlgorithm,
-  exceptions_list: simpleDiffAlgorithm,
   max_signals: numberDiffAlgorithm,
   rule_name_override: simpleDiffAlgorithm,
   timestamp_override: simpleDiffAlgorithm,