diff --git a/src/index.d.ts b/src/index.d.ts
index 49839624..c96fb302 100644
--- a/src/index.d.ts
+++ b/src/index.d.ts
@@ -11,3 +11,14 @@ declare module 'next' {
     getLayout?: (page: React.ReactNode) => any
   }
 }
+
+declare global {
+  interface Fathom {
+    (command: string, ...args: any[]): void
+    q?: Array<any>
+  }
+
+  interface Window {
+    fathom?: Fathom
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index ad1a1602..537dba92 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -19,6 +19,6 @@
       "@/*": ["./src/*"]
     }
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "./types"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
   "exclude": ["node_modules"]
 }
diff --git a/types/fathom.d.ts b/types/fathom.d.ts
deleted file mode 100644
index 27a30321..00000000
--- a/types/fathom.d.ts
+++ /dev/null
@@ -1,8 +0,0 @@
-interface Fathom {
-  (command: string, ...args: any[]): void
-  q?: Array<any>
-}
-
-interface Window {
-  fathom?: Fathom
-}