diff --git a/.eslintrc.cjs b/.eslintrc.cjs
index 2506bf94189c..230b6acdb8b0 100644
--- a/.eslintrc.cjs
+++ b/.eslintrc.cjs
@@ -69,6 +69,7 @@ module.exports = {
           "error",
           { ignoreArrowShorthand: true },
         ],
+        "@typescript-eslint/no-import-type-side-effects": "error",
       },
     },
     {
diff --git a/packages/babel-generator/src/printer.ts b/packages/babel-generator/src/printer.ts
index b5c37f6b5b58..6b6388fa81bf 100644
--- a/packages/babel-generator/src/printer.ts
+++ b/packages/babel-generator/src/printer.ts
@@ -18,7 +18,7 @@ import type { Opts as jsescOptions } from "jsesc";
 import * as generatorFunctions from "./generators";
 import type SourceMap from "./source-map";
 import * as charCodes from "charcodes";
-import { type TraceMap } from "@jridgewell/trace-mapping";
+import type { TraceMap } from "@jridgewell/trace-mapping";
 
 const SCIENTIFIC_NOTATION = /e/i;
 const ZERO_DECIMAL_INTEGER = /\.0+$/;
diff --git a/packages/babel-parser/src/index.ts b/packages/babel-parser/src/index.ts
index a22baff1ba48..448126d3c5b4 100644
--- a/packages/babel-parser/src/index.ts
+++ b/packages/babel-parser/src/index.ts
@@ -1,4 +1,4 @@
-import { type Options } from "./options";
+import type { Options } from "./options";
 import {
   hasPlugin,
   validatePlugins,
diff --git a/packages/babel-parser/src/parser/util.ts b/packages/babel-parser/src/parser/util.ts
index 8a3d398de3f4..24a47eccbccd 100644
--- a/packages/babel-parser/src/parser/util.ts
+++ b/packages/babel-parser/src/parser/util.ts
@@ -1,4 +1,4 @@
-import { type Position } from "../util/location";
+import type { Position } from "../util/location";
 import {
   tokenIsLiteralPropertyName,
   tt,
diff --git a/packages/babel-parser/src/plugins/estree.ts b/packages/babel-parser/src/plugins/estree.ts
index af13e32f09c6..67356a1c544f 100644
--- a/packages/babel-parser/src/plugins/estree.ts
+++ b/packages/babel-parser/src/plugins/estree.ts
@@ -1,4 +1,4 @@
-import { type TokenType } from "../tokenizer/types";
+import type { TokenType } from "../tokenizer/types";
 import type Parser from "../parser";
 import type { ExpressionErrors } from "../parser/util";
 import type * as N from "../types";
diff --git a/packages/babel-parser/src/plugins/jsx/index.ts b/packages/babel-parser/src/plugins/jsx/index.ts
index f58b33182277..e65c27c7cb12 100644
--- a/packages/babel-parser/src/plugins/jsx/index.ts
+++ b/packages/babel-parser/src/plugins/jsx/index.ts
@@ -17,7 +17,7 @@ import { isIdentifierChar, isIdentifierStart } from "../../util/identifier";
 import type { Position } from "../../util/location";
 import { isNewLine } from "../../util/whitespace";
 import { Errors, ParseErrorEnum } from "../../parse-error";
-import { type Undone } from "../../parser/node";
+import type { Undone } from "../../parser/node";
 
 /* eslint sort-keys: "error" */
 const JsxErrors = ParseErrorEnum`jsx`({
diff --git a/packages/babel-parser/src/tokenizer/index.ts b/packages/babel-parser/src/tokenizer/index.ts
index a5653239338f..edd0c7649677 100644
--- a/packages/babel-parser/src/tokenizer/index.ts
+++ b/packages/babel-parser/src/tokenizer/index.ts
@@ -17,7 +17,7 @@ import {
   keywords as keywordTypes,
   type TokenType,
 } from "./types";
-import { type TokContext } from "./context";
+import type { TokContext } from "./context";
 import {
   Errors,
   type ParseError,
diff --git a/packages/babel-parser/src/tokenizer/state.ts b/packages/babel-parser/src/tokenizer/state.ts
index 81fa43a1d810..4949f5c9a047 100644
--- a/packages/babel-parser/src/tokenizer/state.ts
+++ b/packages/babel-parser/src/tokenizer/state.ts
@@ -6,7 +6,7 @@ import { Position } from "../util/location";
 import { types as ct, type TokContext } from "./context";
 import { tt, type TokenType } from "./types";
 import type { Errors } from "../parse-error";
-import { type ParseError } from "../parse-error";
+import type { ParseError } from "../parse-error";
 
 export type DeferredStrictError =
   | typeof Errors.StrictNumericEscape