diff --git a/packages/core/index.ts b/packages/core/index.ts
index 7571b28c..7c003189 100644
--- a/packages/core/index.ts
+++ b/packages/core/index.ts
@@ -11,4 +11,7 @@ export { default as markInputRule } from './src/inputRules/markInputRule'
 export { default as markPasteRule } from './src/pasteRules/markPasteRule'
 
 export { default as getSchema } from './src/utils/getSchema'
-export { default as generateHtml } from './src/utils/generateHtml'
\ No newline at end of file
+export { default as generateHtml } from './src/utils/generateHtml'
+export { default as getTopNodeFromExtensions } from './src/utils/getTopNodeFromExtensions'
+export { default as getNodesFromExtensions } from './src/utils/getNodesFromExtensions'
+export { default as getMarksFromExtensions } from './src/utils/getMarksFromExtensions'
diff --git a/packages/core/src/utils/getMarksFromExtensions.ts b/packages/core/src/utils/getMarksFromExtensions.ts
new file mode 100644
index 00000000..fca51100
--- /dev/null
+++ b/packages/core/src/utils/getMarksFromExtensions.ts
@@ -0,0 +1,10 @@
+import Mark from '../Mark'
+import collect from 'collect.js'
+import { Extensions } from '../types'
+
+export default function getMarksFromExtensions(extensions: Extensions): any {
+  return collect(extensions)
+    .where('extensionType', 'mark')
+    .mapWithKeys((extension: Mark) => [extension.name, extension.schema()])
+    .all()
+}
\ No newline at end of file
diff --git a/packages/core/src/utils/getNodesFromExtensions.ts b/packages/core/src/utils/getNodesFromExtensions.ts
new file mode 100644
index 00000000..94604110
--- /dev/null
+++ b/packages/core/src/utils/getNodesFromExtensions.ts
@@ -0,0 +1,10 @@
+import Node from '../Node'
+import collect from 'collect.js'
+import { Extensions } from '../types'
+
+export default function getNodesFromExtensions(extensions: Extensions): any {
+  return collect(extensions)
+    .where('extensionType', 'node')
+    .mapWithKeys((extension: Node) => [extension.name, extension.schema()])
+    .all()
+}
\ No newline at end of file
diff --git a/packages/core/src/utils/getSchema.ts b/packages/core/src/utils/getSchema.ts
index 9cd91aab..36c135dc 100644
--- a/packages/core/src/utils/getSchema.ts
+++ b/packages/core/src/utils/getSchema.ts
@@ -1,9 +1,8 @@
-import Extension from '../Extension'
-import Node from '../Node'
-import Mark from '../Mark'
 import { Schema } from 'prosemirror-model'
-import collect from 'collect.js'
 import { Extensions } from '../types'
+import getTopNodeFromExtensions from './getTopNodeFromExtensions'
+import getNodesFromExtensions from './getNodesFromExtensions'
+import getMarksFromExtensions from './getMarksFromExtensions'
 
 export default function getSchema(extensions: Extensions): Schema {
   return new Schema({
@@ -12,25 +11,3 @@ export default function getSchema(extensions: Extensions): Schema {
     marks: getMarksFromExtensions(extensions),
   })
 }
-
-function getNodesFromExtensions(extensions: (Extension | Node | Mark)[]): any {
-  return collect(extensions)
-    .where('extensionType', 'node')
-    .mapWithKeys((extension: Node) => [extension.name, extension.schema()])
-    .all()
-}
-
-function getTopNodeFromExtensions(extensions: (Extension | Node | Mark)[]): any {
-  const topNode = collect(extensions).firstWhere('topNode', true)
-
-  if (topNode) {
-    return topNode.name
-  }
-}
-
-function getMarksFromExtensions(extensions: (Extension | Node | Mark)[]): any {
-  return collect(extensions)
-    .where('extensionType', 'mark')
-    .mapWithKeys((extension: Mark) => [extension.name, extension.schema()])
-    .all()
-}
diff --git a/packages/core/src/utils/getTopNodeFromExtensions.ts b/packages/core/src/utils/getTopNodeFromExtensions.ts
new file mode 100644
index 00000000..360bc57e
--- /dev/null
+++ b/packages/core/src/utils/getTopNodeFromExtensions.ts
@@ -0,0 +1,10 @@
+import collect from 'collect.js'
+import { Extensions } from '../types'
+
+export default function getTopNodeFromExtensions(extensions: Extensions): any {
+  const topNode = collect(extensions).firstWhere('topNode', true)
+
+  if (topNode) {
+    return topNode.name
+  }
+}
\ No newline at end of file