diff --git a/.changeset/cool-spoons-explain.md b/.changeset/cool-spoons-explain.md
new file mode 100644
index 00000000000..72979899d66
--- /dev/null
+++ b/.changeset/cool-spoons-explain.md
@@ -0,0 +1,6 @@
+---
+'@graphql-eslint/eslint-plugin': patch
+---
+
+fix error from `no-deprecated` rule
+`4.0.0-alpha.13: node.typeInfo(...).inputType.getFields is not a function`
diff --git a/.husky/_/husky.sh b/.husky/_/husky.sh
deleted file mode 100644
index 7c9c33db216..00000000000
--- a/.husky/_/husky.sh
+++ /dev/null
@@ -1,29 +0,0 @@
-#!/bin/sh
-if [ -z "$husky_skip_init" ]; then
-  debug() {
-    [ "$HUSKY_DEBUG" = "1" ] && echo "husky (debug) - $1"
-  }
-
-  readonly hook_name="$(basename "$0")"
-  debug "starting $hook_name..."
-
-  if [ "$HUSKY" = "0" ]; then
-    debug "HUSKY env variable is set to 0, skipping hook"
-    exit 0
-  fi
-
-  if [ -f ~/.huskyrc ]; then
-    debug "sourcing ~/.huskyrc"
-    . ~/.huskyrc
-  fi
-
-  export readonly husky_skip_init=1
-  sh -e "$0" "$@"
-  exitCode="$?"
-
-  if [ $exitCode != 0 ]; then
-    echo "husky - $hook_name hook exited with code $exitCode (error)"
-  fi
-
-  exit $exitCode
-fi
diff --git a/.husky/pre-commit b/.husky/pre-commit
deleted file mode 100755
index e69de29bb2d..00000000000
diff --git a/.husky/pre-push b/.husky/pre-push
deleted file mode 100755
index 009b3f89bde..00000000000
--- a/.husky/pre-push
+++ /dev/null
@@ -1 +0,0 @@
-pnpm lint
diff --git a/package.json b/package.json
index 773481881d9..047e0ba304a 100644
--- a/package.json
+++ b/package.json
@@ -39,7 +39,6 @@
     "eslint": "9.14.0",
     "eslint-plugin-eslint-plugin": "6.3.2",
     "eslint-plugin-tailwindcss": "3.17.5",
-    "husky": "9.1.7",
     "jest-snapshot-serializer-raw": "2.0.0",
     "json-schema-to-markdown": "1.1.1",
     "prettier": "3.3.3",
diff --git a/packages/plugin/src/rules/no-deprecated/index.ts b/packages/plugin/src/rules/no-deprecated/index.ts
index 503952a672d..eee69802742 100644
--- a/packages/plugin/src/rules/no-deprecated/index.ts
+++ b/packages/plugin/src/rules/no-deprecated/index.ts
@@ -132,14 +132,16 @@ export const rule: GraphQLESLintRule<[], true> = {
         }
       },
       ObjectValue(node) {
-        const typeInfo = node.typeInfo();
-        // @ts-expect-error -- fixme
-        const fields = typeInfo.inputType!.getFields();
-        for (const field of node.fields) {
-          const fieldName = field.name.value;
-          const reason = fields[fieldName].deprecationReason;
-          if (reason) {
-            report(field, reason);
+        const { inputType } = node.typeInfo();
+        if (!inputType) return;
+        if ('getFields' in inputType) {
+          const fields = inputType.getFields();
+          for (const field of node.fields) {
+            const fieldName = field.name.value;
+            const reason = fields[fieldName].deprecationReason;
+            if (reason) {
+              report(field, reason);
+            }
           }
         }
       },
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 7ab4796ea49..3fe581cac7d 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -58,9 +58,6 @@ importers:
       eslint-plugin-tailwindcss:
         specifier: 3.17.5
         version: 3.17.5(tailwindcss@3.4.14)
-      husky:
-        specifier: 9.1.7
-        version: 9.1.7
       jest-snapshot-serializer-raw:
         specifier: 2.0.0
         version: 2.0.0
@@ -4778,11 +4775,6 @@ packages:
     resolution: {integrity: sha512-AXcZb6vzzrFAUE61HnN4mpLqd/cSIwNQjtNWR0euPm6y0iqx3G4gOXaIDdtdDwZmhwe82LA6+zinmW4UBWVePQ==}
     engines: {node: '>=16.17.0'}
 
-  husky@9.1.7:
-    resolution: {integrity: sha512-5gs5ytaNjBrh5Ow3zrvdUUY+0VxIuWVL4i9irt6friV+BqdCfmV11CQTWMiBYWHbXhco+J1kHfTOUkePhCDvMA==}
-    engines: {node: '>=18'}
-    hasBin: true
-
   iconv-lite@0.4.24:
     resolution: {integrity: sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==}
     engines: {node: '>=0.10.0'}
@@ -13354,8 +13346,6 @@ snapshots:
 
   human-signals@5.0.0: {}
 
-  husky@9.1.7: {}
-
   iconv-lite@0.4.24:
     dependencies:
       safer-buffer: 2.1.2