diff --git a/x-pack/plugins/alerting/server/plugin.test.ts b/x-pack/plugins/alerting/server/plugin.test.ts
index 05b7526a376fb..3f1737f6e1fdf 100644
--- a/x-pack/plugins/alerting/server/plugin.test.ts
+++ b/x-pack/plugins/alerting/server/plugin.test.ts
@@ -50,7 +50,6 @@ const sampleRuleType: RuleType<never, never, never, never, never, 'default'> = {
   defaultActionGroupId: 'default',
   producer: 'test',
   config: {
-    minimumScheduleInterval: { value: '1m', enforce: false },
     execution: {
       actions: {
         max: 1000,
diff --git a/x-pack/plugins/alerting/server/rule_type_registry.test.ts b/x-pack/plugins/alerting/server/rule_type_registry.test.ts
index d6417e8f2f806..34dca1faa79ca 100644
--- a/x-pack/plugins/alerting/server/rule_type_registry.test.ts
+++ b/x-pack/plugins/alerting/server/rule_type_registry.test.ts
@@ -57,7 +57,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -84,7 +83,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -123,7 +121,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -153,7 +150,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -186,7 +182,6 @@ describe('Create Lifecycle', () => {
         producer: 'alerts',
         defaultScheduleInterval: 'foobar',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -280,7 +275,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -315,7 +309,6 @@ describe('Create Lifecycle', () => {
         minimumLicenseRequired: 'basic',
         isExportable: true,
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -354,7 +347,6 @@ describe('Create Lifecycle', () => {
         minimumLicenseRequired: 'basic',
         isExportable: true,
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -397,7 +389,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -429,7 +420,6 @@ describe('Create Lifecycle', () => {
         producer: 'alerts',
         ruleTaskTimeout: '20m',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -467,7 +457,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -496,7 +485,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -518,7 +506,6 @@ describe('Create Lifecycle', () => {
           executor: jest.fn(),
           producer: 'alerts',
           config: {
-            minimumScheduleInterval: { value: '1m', enforce: false },
             execution: {
               actions: { max: 1000 },
             },
@@ -546,7 +533,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -576,10 +562,6 @@ describe('Create Lifecycle', () => {
               "max": 1000,
             },
           },
-          "minimumScheduleInterval": Object {
-            "enforce": false,
-            "value": "1m",
-          },
         },
         "defaultActionGroupId": "default",
         "executor": [MockFunction],
@@ -630,7 +612,6 @@ describe('Create Lifecycle', () => {
         executor: jest.fn(),
         producer: 'alerts',
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -730,7 +711,6 @@ describe('Create Lifecycle', () => {
         minimumLicenseRequired: 'basic',
         recoveryActionGroup: { id: 'recovered', name: 'Recovered' },
         config: {
-          minimumScheduleInterval: { value: '1m', enforce: false },
           execution: {
             actions: { max: 1000 },
           },
@@ -769,7 +749,6 @@ function ruleTypeWithVariables<ActionGroupIds extends string>(
     async executor() {},
     producer: 'alerts',
     config: {
-      minimumScheduleInterval: { value: '1m', enforce: false },
       execution: {
         actions: { max: 1000 },
       },
diff --git a/x-pack/plugins/triggers_actions_ui/public/application/sections/rule_form/rule_add.tsx b/x-pack/plugins/triggers_actions_ui/public/application/sections/rule_form/rule_add.tsx
index f2287163edc1c..2d6a7ec4bf63d 100644
--- a/x-pack/plugins/triggers_actions_ui/public/application/sections/rule_form/rule_add.tsx
+++ b/x-pack/plugins/triggers_actions_ui/public/application/sections/rule_form/rule_add.tsx
@@ -79,6 +79,7 @@ const RuleAdd = ({
   const [ruleTypeIndex, setRuleTypeIndex] = useState<RuleTypeIndex | undefined>(
     props.ruleTypeIndex
   );
+  const [changedFromDefaultInterval, setChangedFromDefaultInterval] = useState<boolean>(false);
 
   const setRule = (value: InitialRule) => {
     dispatch({ command: { type: 'setRule' }, payload: { key: 'rule', value } });
@@ -146,28 +147,28 @@ const RuleAdd = ({
     })();
   }, [rule, actionTypeRegistry]);
 
+  useEffect(() => {
+    if (config.minimumScheduleInterval && !initialValues?.schedule?.interval) {
+      setRuleProperty('schedule', {
+        interval: getInitialInterval(config.minimumScheduleInterval.value),
+      });
+    }
+  }, [config.minimumScheduleInterval, initialValues]);
+
   useEffect(() => {
     if (rule.ruleTypeId && ruleTypeIndex) {
-      // rule type selected
       const type = ruleTypeIndex.get(rule.ruleTypeId);
-      if (type?.defaultScheduleInterval) {
+      if (type?.defaultScheduleInterval && !changedFromDefaultInterval) {
         setRuleProperty('schedule', { interval: type.defaultScheduleInterval });
       }
-    } else {
-      // no rule type selection and no initial value set; set schedule to global default or configured minimum, whichever is larger
-      if (!initialValues?.schedule?.interval) {
-        setRuleProperty('schedule', {
-          interval: getInitialInterval(config.minimumScheduleInterval?.value),
-        });
-      }
     }
-  }, [
-    initialValues,
-    rule.ruleTypeId,
-    ruleTypeIndex,
-    rule.schedule.interval,
-    config.minimumScheduleInterval,
-  ]);
+  }, [rule.ruleTypeId, ruleTypeIndex, rule.schedule.interval, changedFromDefaultInterval]);
+
+  useEffect(() => {
+    if (rule.schedule.interval !== DEFAULT_RULE_INTERVAL && !changedFromDefaultInterval) {
+      setChangedFromDefaultInterval(true);
+    }
+  }, [rule.schedule.interval, changedFromDefaultInterval]);
 
   const checkForChangesAndCloseFlyout = () => {
     if (