diff --git a/x-pack/plugins/security_solution/common/experimental_features.ts b/x-pack/plugins/security_solution/common/experimental_features.ts
index a9cf3e4a8132e..cffba49aac6c3 100644
--- a/x-pack/plugins/security_solution/common/experimental_features.ts
+++ b/x-pack/plugins/security_solution/common/experimental_features.ts
@@ -22,7 +22,6 @@ export const allowedExperimentalValues = Object.freeze({
   disableIsolationUIPendingStatuses: false,
   riskyHostsEnabled: false,
   riskyUsersEnabled: false,
-  securityRulesCancelEnabled: false,
   pendingActionResponsesWithAck: true,
   policyListEnabled: true,
 
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/eql/create_eql_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/eql/create_eql_alert_type.ts
index 5f0749b6788a5..463d75f8d5bce 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/eql/create_eql_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/eql/create_eql_alert_type.ts
@@ -20,7 +20,6 @@ export const createEqlAlertType = (
   return {
     id: EQL_RULE_TYPE_ID,
     name: 'Event Correlation Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
     validate: {
       params: {
         validate: (object: unknown) => {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/indicator_match/create_indicator_match_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/indicator_match/create_indicator_match_alert_type.ts
index 2f75d73455656..7104a739e5d76 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/indicator_match/create_indicator_match_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/indicator_match/create_indicator_match_alert_type.ts
@@ -20,7 +20,7 @@ export const createIndicatorMatchAlertType = (
   return {
     id: INDICATOR_RULE_TYPE_ID,
     name: 'Indicator Match Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
+    ruleTaskTimeout: '1h',
     validate: {
       params: {
         validate: (object: unknown) => {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/ml/create_ml_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/ml/create_ml_alert_type.ts
index d7df4f6e4955e..fe2da6ee18696 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/ml/create_ml_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/ml/create_ml_alert_type.ts
@@ -16,11 +16,10 @@ import { CreateRuleOptions, SecurityAlertType } from '../types';
 export const createMlAlertType = (
   createOptions: CreateRuleOptions
 ): SecurityAlertType<MachineLearningRuleParams, {}, {}, 'default'> => {
-  const { logger, ml, experimentalFeatures } = createOptions;
+  const { logger, ml } = createOptions;
   return {
     id: ML_RULE_TYPE_ID,
     name: 'Machine Learning Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
     validate: {
       params: {
         validate: (object: unknown) => {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/query/create_query_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/query/create_query_alert_type.ts
index fcd4fd2c7c1a2..26512187010e9 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/query/create_query_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/query/create_query_alert_type.ts
@@ -20,7 +20,6 @@ export const createQueryAlertType = (
   return {
     id: QUERY_RULE_TYPE_ID,
     name: 'Custom Query Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
     validate: {
       params: {
         validate: (object: unknown) => {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/saved_query/create_saved_query_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/saved_query/create_saved_query_alert_type.ts
index 2722f31f3eacd..fb4be16c7d51f 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/saved_query/create_saved_query_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/saved_query/create_saved_query_alert_type.ts
@@ -24,7 +24,6 @@ export const createSavedQueryAlertType = (
   return {
     id: SAVED_QUERY_RULE_TYPE_ID,
     name: 'Saved Query Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
     validate: {
       params: {
         validate: (object: unknown) => {
diff --git a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/threshold/create_threshold_alert_type.ts b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/threshold/create_threshold_alert_type.ts
index f7fb8a69fb089..e7eda05f02f97 100644
--- a/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/threshold/create_threshold_alert_type.ts
+++ b/x-pack/plugins/security_solution/server/lib/detection_engine/rule_types/threshold/create_threshold_alert_type.ts
@@ -21,7 +21,6 @@ export const createThresholdAlertType = (
   return {
     id: THRESHOLD_RULE_TYPE_ID,
     name: 'Threshold Rule',
-    ruleTaskTimeout: experimentalFeatures.securityRulesCancelEnabled ? '5m' : '1d',
     validate: {
       params: {
         validate: (object: unknown): ThresholdRuleParams => {