diff --git a/theatre/core/src/propTypes/index.ts b/theatre/core/src/propTypes/index.ts
index dfa8c46..d5b220f 100644
--- a/theatre/core/src/propTypes/index.ts
+++ b/theatre/core/src/propTypes/index.ts
@@ -84,7 +84,6 @@ export const compound = <Props extends IShorthandCompoundProps>(
     label: opts?.label,
     sanitize: opts?.sanitize,
     interpolate: opts?.interpolate,
-    isScalar: false,
   }
 }
 
@@ -258,7 +257,6 @@ export const boolean = (
     valueType: null as $IntentionalAny,
     [propTypeSymbol]: 'TheatrePropType',
     label: opts?.label,
-    isScalar: false,
     sanitize(value: unknown) {
       if (opts?.sanitize) return opts.sanitize(value)
       return typeof value === 'boolean' ? value : undefined
@@ -311,7 +309,6 @@ export const string = (
     valueType: null as $IntentionalAny,
     [propTypeSymbol]: 'TheatrePropType',
     label: opts?.label,
-    isScalar: false,
     sanitize(value: unknown) {
       if (opts?.sanitize) return opts.sanitize(value)
       return typeof value === 'string' ? value : undefined
@@ -366,7 +363,6 @@ export function stringLiteral<Opts extends {[key in string]: string}>(
     valueType: null as $IntentionalAny,
     as: opts?.as ?? 'menu',
     label: opts?.label,
-    isScalar: false,
     sanitize(value: unknown) {
       if (opts?.sanitize) return opts.sanitize(value)
       return typeof value === 'string' && Object.keys(options).includes(value)
@@ -387,7 +383,7 @@ interface IBasePropType<ValueType, PropTypes = ValueType> {
   valueType: ValueType
   [propTypeSymbol]: 'TheatrePropType'
   label: string | undefined
-  isScalar: boolean
+  isScalar?: true
   sanitize?: Sanitizer<PropTypes>
   interpolate?: Interpolator<PropTypes>
 }
diff --git a/theatre/core/src/sheetObjects/SheetObjectTemplate.ts b/theatre/core/src/sheetObjects/SheetObjectTemplate.ts
index 10e28e5..92d5cd8 100644
--- a/theatre/core/src/sheetObjects/SheetObjectTemplate.ts
+++ b/theatre/core/src/sheetObjects/SheetObjectTemplate.ts
@@ -19,15 +19,12 @@ import type {
 } from '@theatre/shared/utils/types'
 import type {IDerivation, Pointer} from '@theatre/dataverse'
 import {Atom, getPointerParts, prism, val} from '@theatre/dataverse'
-import get from 'lodash-es/get'
 import set from 'lodash-es/set'
 import getPropDefaultsOfSheetObject from './getPropDefaultsOfSheetObject'
 import SheetObject from './SheetObject'
 import logger from '@theatre/shared/logger'
-import type {
-  PropTypeConfig,
-  PropTypeConfig_Compound,
-} from '@theatre/core/propTypes'
+import type {PropTypeConfig_Compound} from '@theatre/core/propTypes'
+import {getPropConfigByPath} from '@theatre/shared/propTypes/utils'
 
 export type IPropPathToTrackIdTree = {
   [key in string]?: SequenceTrackId | IPropPathToTrackIdTree
@@ -116,8 +113,6 @@ export default class SheetObjectTemplate {
   > {
     return this._cache.get('getArrayOfValidSequenceTracks', () =>
       prism((): Array<{pathToProp: PathToProp; trackId: SequenceTrackId}> => {
-        const defaults = val(this.getDefaultValues())
-
         const pointerToSheetState =
           this.project.pointers.historic.sheetsById[this.address.sheetId]
 
@@ -131,39 +126,19 @@ export default class SheetObjectTemplate {
           trackId: SequenceTrackId
         }> = []
 
-        if (trackIdByPropPath) {
-          for (const [pathToPropInString, trackId] of Object.entries(
-            trackIdByPropPath,
-          )) {
-            let pathToProp
-            try {
-              pathToProp = JSON.parse(pathToPropInString)
-            } catch (e) {
-              logger.warn(
-                `property ${JSON.stringify(
-                  pathToPropInString,
-                )} cannot be parsed. Skipping.`,
-              )
-              continue
-            }
+        if (!trackIdByPropPath) return emptyArray as $IntentionalAny
 
-            const propConfig = get(this.config.props, pathToProp) as
-              | PropTypeConfig
-              | undefined
-            const defaultValue = get(defaults, pathToProp)
+        const _entries = Object.entries(trackIdByPropPath)
+        for (const [pathToPropInString, trackId] of _entries) {
+          const pathToProp = parsePathToProp(pathToPropInString)
+          if (!pathToProp) continue
 
-            if (
-              typeof defaultValue !== 'number' &&
-              (!propConfig?.sanitize || !propConfig.interpolate)
-            ) {
-              //@checking defaultValue because tests don't provide prop config, and fail if this is omitted.
-              continue
-            }
+          const propConfig = getPropConfigByPath(this.config, pathToProp)
 
-            arrayOfIds.push({pathToProp, trackId: trackId!})
-          }
-        } else {
-          return emptyArray as $IntentionalAny
+          if (!propConfig || !propConfig?.sanitize || !propConfig.interpolate)
+            continue
+
+          arrayOfIds.push({pathToProp, trackId: trackId!})
         }
 
         if (arrayOfIds.length === 0) {
@@ -207,3 +182,19 @@ export default class SheetObjectTemplate {
     return defaultsAtPath as $FixMe
   }
 }
+
+function parsePathToProp(
+  pathToPropInString: string,
+): undefined | Array<string | number> {
+  try {
+    const pathToProp = JSON.parse(pathToPropInString)
+    return pathToProp
+  } catch (e) {
+    logger.warn(
+      `property ${JSON.stringify(
+        pathToPropInString,
+      )} cannot be parsed. Skipping.`,
+    )
+    return undefined
+  }
+}
diff --git a/theatre/shared/src/propTypes/utils.ts b/theatre/shared/src/propTypes/utils.ts
index ac7a0e7..8423ce2 100644
--- a/theatre/shared/src/propTypes/utils.ts
+++ b/theatre/shared/src/propTypes/utils.ts
@@ -1,5 +1,30 @@
-import type {PropTypeConfig} from '@theatre/core/propTypes'
+import type {
+  PropTypeConfig,
+  PropTypeConfig_Compound,
+  PropTypeConfig_Enum,
+} from '@theatre/core/propTypes'
+import type {PathToProp} from '@theatre/shared/utils/addresses'
+import type {$IntentionalAny} from '@theatre/shared/utils/types'
 
-export function isPropConfigComposite(c: PropTypeConfig): boolean {
+export function isPropConfigComposite(
+  c: PropTypeConfig,
+): c is PropTypeConfig_Compound<{}> | PropTypeConfig_Enum {
   return c.type === 'compound' || c.type === 'enum'
 }
+
+export function getPropConfigByPath(
+  parentConf: PropTypeConfig | undefined,
+  path: PathToProp,
+): undefined | PropTypeConfig {
+  if (!parentConf) return undefined
+  const [key, ...rest] = path
+  if (typeof key === 'undefined') return parentConf
+  if (!isPropConfigComposite(parentConf)) return undefined
+
+  const sub =
+    parentConf.type === 'enum'
+      ? parentConf.cases[key]
+      : (parentConf as $IntentionalAny).props[key]
+
+  return getPropConfigByPath(sub, rest)
+}