diff --git a/package.json b/package.json
index 17bbe40..e74bf93 100644
--- a/package.json
+++ b/package.json
@@ -19,11 +19,8 @@
         "runner": "ts-node ./src/runner.ts"
     },
     "typings": "dist/index.d.ts",
-    "dependencies": {
-        "ts-is-kind": "^1.0.0"
-    },
     "peerDependencies": {
-        "typescript": "^2.5.2"
+        "typescript": "^2.5.2 || ^3.0"
     },
     "devDependencies": {
         "@types/jest": "^19.2.4",
diff --git a/src/createTransformer.ts b/src/createTransformer.ts
index c476596..3421e53 100644
--- a/src/createTransformer.ts
+++ b/src/createTransformer.ts
@@ -6,7 +6,7 @@ import {
     isVariableDeclaration,
     isExportAssignment,
     isTaggedTemplateExpression,
-} from 'ts-is-kind';
+} from './ts-is-kind';
 
 import {Options} from './models/Options';
 
diff --git a/src/ts-is-kind.ts b/src/ts-is-kind.ts
new file mode 100644
index 0000000..044c62a
--- /dev/null
+++ b/src/ts-is-kind.ts
@@ -0,0 +1,52 @@
+// The source code is kindly borrowed from `ts-is-kind` npm module.
+// Original repo: https://github.com/mohsen1/ts-is-kind by @mohsen1
+
+import * as ts from 'typescript';
+
+/**
+ * Return true if node is `PropertyAccessExpression`
+ * @param node A TypeScript node
+ */
+export function isPropertyAccessExpression(node: ts.Node): node is ts.PropertyAccessExpression {
+    return node.kind === ts.SyntaxKind.PropertyAccessExpression;
+}
+
+/**
+ * Return true if node is `CallExpression`
+ * @param node A TypeScript node
+ */
+export function isCallExpression(node: ts.Node): node is ts.CallExpression {
+    return node.kind === ts.SyntaxKind.CallExpression;
+}
+
+/**
+ * Return true if node is `Identifier`
+ * @param node A TypeScript node
+ */
+export function isIdentifier(node: ts.Node): node is ts.Identifier {
+    return node.kind === ts.SyntaxKind.Identifier;
+}
+
+/**
+ * Return true if node is `VariableDeclaration`
+ * @param node A TypeScript node
+ */
+export function isVariableDeclaration(node: ts.Node): node is ts.VariableDeclaration {
+    return node.kind === ts.SyntaxKind.VariableDeclaration;
+}
+
+/**
+ * Return true if node is `ExportAssignment`
+ * @param node A TypeScript node
+ */
+export function isExportAssignment(node: ts.Node): node is ts.ExportAssignment {
+    return node.kind === ts.SyntaxKind.ExportAssignment;
+}
+
+/**
+ * Return true if node is `TaggedTemplateExpression`
+ * @param node A TypeScript node
+ */
+export function isTaggedTemplateExpression(node: ts.Node): node is ts.TaggedTemplateExpression {
+    return node.kind === ts.SyntaxKind.TaggedTemplateExpression;
+}
diff --git a/yarn.lock b/yarn.lock
index 4ec564a..e29bcce 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -2209,10 +2209,6 @@ trim-right@^1.0.1:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/trim-right/-/trim-right-1.0.1.tgz#cb2e1203067e0c8de1f614094b9fe45704ea6003"
 
-ts-is-kind@^1.0.0:
-  version "1.0.0"
-  resolved "https://registry.yarnpkg.com/ts-is-kind/-/ts-is-kind-1.0.0.tgz#f9ca9c1af07ddb82d7a06744d8928952d4bd2426"
-
 ts-jest@20:
   version "20.0.6"
   resolved "https://registry.yarnpkg.com/ts-jest/-/ts-jest-20.0.6.tgz#39c2810c05d6f6908dac15929dae206b494b73f4"