diff --git a/packages/@ember/-internals/glimmer/lib/component-managers/custom.ts b/packages/@ember/-internals/glimmer/lib/component-managers/custom.ts
index e1ee635f626..4496d132c1f 100644
--- a/packages/@ember/-internals/glimmer/lib/component-managers/custom.ts
+++ b/packages/@ember/-internals/glimmer/lib/component-managers/custom.ts
@@ -17,7 +17,7 @@ import {
 } from '@glimmer/interfaces';
 import { ComponentRootReference, PathReference } from '@glimmer/reference';
 import { unwrapTemplate } from '@glimmer/util';
-import { consumeTag, createTag, isConst, Tag } from '@glimmer/validator';
+import { consumeTag, createTag, isConstTagged, Tag } from '@glimmer/validator';
 
 import { ENV } from '@ember/-internals/environment';
 import { EmberVMEnvironment } from '../environment';
@@ -370,7 +370,7 @@ export default class CustomComponentManager<ComponentInstance>
   }
 
   getTag({ args }: CustomComponentState<ComponentInstance>): Tag {
-    if (isConst(args)) {
+    if (isConstTagged(args)) {
       // returning a const tag skips the update hook (VM BUG?)
       return createTag();
     } else {
diff --git a/packages/@ember/-internals/glimmer/lib/component-managers/input.ts b/packages/@ember/-internals/glimmer/lib/component-managers/input.ts
index c6704e6fb9a..e5c9ff5a9f1 100644
--- a/packages/@ember/-internals/glimmer/lib/component-managers/input.ts
+++ b/packages/@ember/-internals/glimmer/lib/component-managers/input.ts
@@ -12,7 +12,7 @@ import {
   VMArguments,
 } from '@glimmer/interfaces';
 import { ComponentRootReference, ConstReference, VersionedPathReference } from '@glimmer/reference';
-import { CONSTANT_TAG, createTag, isConst } from '@glimmer/validator';
+import { CONSTANT_TAG, createTag, isConstTagged } from '@glimmer/validator';
 import { EmberVMEnvironment } from '../environment';
 import InternalComponentManager, { InternalDefinitionState } from './internal';
 
@@ -70,7 +70,7 @@ export default class InputComponentManager extends InternalComponentManager<Inpu
     _dynamicScope: DynamicScope,
     caller: VersionedPathReference
   ): InputComponentState {
-    assert('caller must be const', isConst(caller));
+    assert('caller must be const', isConstTagged(caller));
 
     let type = args.named.get('type');
 
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/action.ts b/packages/@ember/-internals/glimmer/lib/helpers/action.ts
index 76beddaee3d..603bf6a1834 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/action.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/action.ts
@@ -9,7 +9,7 @@ import { join } from '@ember/runloop';
 import { DEBUG } from '@glimmer/env';
 import { VM, VMArguments } from '@glimmer/interfaces';
 import { VersionedPathReference } from '@glimmer/reference';
-import { isConst } from '@glimmer/validator';
+import { isConstTagged } from '@glimmer/validator';
 import { UnboundRootReference } from '../utils/references';
 import { INVOKE } from './mut';
 
@@ -299,7 +299,7 @@ export default function(args: VMArguments, vm: VM): UnboundRootReference<Functio
 
   if (typeof action[INVOKE] === 'function') {
     fn = makeClosureAction(action, action, action[INVOKE], processArgs, debugKey);
-  } else if (isConst(target) && isConst(action)) {
+  } else if (isConstTagged(target) && isConstTagged(action)) {
     fn = makeClosureAction(context.value(), target.value(), action.value(), processArgs, debugKey);
   } else {
     fn = makeDynamicClosureAction(context.value(), target, action, processArgs, debugKey);
diff --git a/packages/@ember/-internals/glimmer/lib/helpers/get.ts b/packages/@ember/-internals/glimmer/lib/helpers/get.ts
index 45ad217cfe2..1da33f32c32 100644
--- a/packages/@ember/-internals/glimmer/lib/helpers/get.ts
+++ b/packages/@ember/-internals/glimmer/lib/helpers/get.ts
@@ -7,7 +7,7 @@ import {
   VersionedPathReference,
 } from '@glimmer/reference';
 import { NULL_REFERENCE } from '@glimmer/runtime';
-import { isConst } from '@glimmer/validator';
+import { isConstTagged } from '@glimmer/validator';
 import { referenceFromParts } from '../utils/references';
 
 /**
@@ -98,7 +98,7 @@ export default function(args: VMArguments, vm: VM) {
   let sourceReference = args.positional.at(0);
   let pathReference = args.positional.at(1);
 
-  if (isConst(pathReference)) {
+  if (isConstTagged(pathReference)) {
     // Since the path is constant, we can create a normal chain of property
     // references. The source reference will update like normal, and all of the
     // child references will update accordingly.