diff --git a/CHANGELOG.md b/CHANGELOG.md
index 02ad0be..0e7ba72 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -2,6 +2,11 @@
 
 ## vNext
 
+### Internal improvements
+
+- Cleanup imports ([#88](https://github.com/gnidan/abi-to-sol/pull/88) by
+  [@gnidan](https://github.com/gnidan))
+
 ## v0.6.5
 
 See [release notes](https://github.com/gnidan/abi-to-sol/releases/tag/v0.6.5).
diff --git a/packages/abi-to-sol/src/abi-features.ts b/packages/abi-to-sol/src/abi-features.ts
index 744a6e4..7710453 100644
--- a/packages/abi-to-sol/src/abi-features.ts
+++ b/packages/abi-to-sol/src/abi-features.ts
@@ -1,6 +1,5 @@
-import { Abi as SchemaAbi } from "@truffle/contract-schema/spec";
-import * as Codec from "@truffle/codec";
-import * as Abi from "@truffle/abi-utils";
+import type { Abi as SchemaAbi } from "@truffle/contract-schema/spec";
+import type * as Abi from "@truffle/abi-utils";
 
 import { Visitor, VisitOptions, dispatch, Node } from "./visitor";
 
diff --git a/packages/abi-to-sol/src/declarations.ts b/packages/abi-to-sol/src/declarations.ts
index 9cd228d..687ffda 100644
--- a/packages/abi-to-sol/src/declarations.ts
+++ b/packages/abi-to-sol/src/declarations.ts
@@ -1,6 +1,6 @@
-import {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
+import type {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
 import * as Codec from "@truffle/codec";
-import * as Abi from "@truffle/abi-utils";
+import type * as Abi from "@truffle/abi-utils";
 
 import {Visitor, VisitOptions, dispatch, Node} from "./visitor";
 
diff --git a/packages/abi-to-sol/src/solidity.ts b/packages/abi-to-sol/src/solidity.ts
index 855d2f7..c37698f 100644
--- a/packages/abi-to-sol/src/solidity.ts
+++ b/packages/abi-to-sol/src/solidity.ts
@@ -1,7 +1,7 @@
 import type Prettier from "prettier";
 import * as Codec from "@truffle/codec";
-import * as Abi from "@truffle/abi-utils";
-import {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
+import type * as Abi from "@truffle/abi-utils";
+import type {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
 
 import { version } from "../package.json";
 import {Visitor, VisitOptions, dispatch, Node} from "./visitor";
diff --git a/packages/abi-to-sol/src/visitor.ts b/packages/abi-to-sol/src/visitor.ts
index 9bad589..a3bc07c 100644
--- a/packages/abi-to-sol/src/visitor.ts
+++ b/packages/abi-to-sol/src/visitor.ts
@@ -1,4 +1,4 @@
-import {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
+import type {Abi as SchemaAbi} from "@truffle/contract-schema/spec";
 import * as Abi from "@truffle/abi-utils";
 
 export interface VisitOptions<N extends Node, C = undefined> {