diff --git a/src/compilation/getModelFromSource.ts b/src/compilation/getModelFromSource.ts
index 7f4c52c..b053e5b 100644
--- a/src/compilation/getModelFromSource.ts
+++ b/src/compilation/getModelFromSource.ts
@@ -1,6 +1,6 @@
+import { readFileSync, statSync } from 'fs'
 import glob from 'glob'
 import yaml from 'yaml'
-import fs from 'fs'
 import { getDoubleDefError, RawRules } from '../commons'
 import { resolveImports } from './resolveImports'
 
@@ -41,7 +41,7 @@ export function getModelFromSource(
   opts?: GetModelFromSourceOptions,
 ): RawRules {
   try {
-    if (fs.statSync(sourcePath).isDirectory()) {
+    if (statSync(sourcePath).isDirectory()) {
       sourcePath = sourcePath + '/**/*.publicodes'
     }
   } catch (e) {}
@@ -49,7 +49,7 @@ export function getModelFromSource(
     .sync(sourcePath, { ignore: opts?.ignore })
     .reduce(
       ({ jsonModel, namespaces }, filePath: string) => {
-        const rules: RawRules = yaml.parse(fs.readFileSync(filePath, 'utf-8'))
+        const rules: RawRules = yaml.parse(readFileSync(filePath, 'utf-8'))
         if (rules == null) {
           console.warn(`⚠️ ${filePath} is empty, skipping...`)
           return jsonModel
diff --git a/source/migration/index.ts b/src/migration/index.ts
similarity index 100%
rename from source/migration/index.ts
rename to src/migration/index.ts
diff --git a/source/migration/migrateSituation.ts b/src/migration/migrateSituation.ts
similarity index 100%
rename from source/migration/migrateSituation.ts
rename to src/migration/migrateSituation.ts
diff --git a/source/migration/migrateSituation/deleteKeyFromSituationAndFoldedSteps.ts b/src/migration/migrateSituation/deleteKeyFromSituationAndFoldedSteps.ts
similarity index 100%
rename from source/migration/migrateSituation/deleteKeyFromSituationAndFoldedSteps.ts
rename to src/migration/migrateSituation/deleteKeyFromSituationAndFoldedSteps.ts
diff --git a/source/migration/migrateSituation/getValueWithoutQuotes.ts b/src/migration/migrateSituation/getValueWithoutQuotes.ts
similarity index 100%
rename from source/migration/migrateSituation/getValueWithoutQuotes.ts
rename to src/migration/migrateSituation/getValueWithoutQuotes.ts
diff --git a/source/migration/migrateSituation/handleSituationKeysMigration.ts b/src/migration/migrateSituation/handleSituationKeysMigration.ts
similarity index 100%
rename from source/migration/migrateSituation/handleSituationKeysMigration.ts
rename to src/migration/migrateSituation/handleSituationKeysMigration.ts
diff --git a/source/migration/migrateSituation/handleSituationValuesMigration.ts b/src/migration/migrateSituation/handleSituationValuesMigration.ts
similarity index 100%
rename from source/migration/migrateSituation/handleSituationValuesMigration.ts
rename to src/migration/migrateSituation/handleSituationValuesMigration.ts
diff --git a/source/migration/migrateSituation/handleSpecialCases.ts b/src/migration/migrateSituation/handleSpecialCases.ts
similarity index 100%
rename from source/migration/migrateSituation/handleSpecialCases.ts
rename to src/migration/migrateSituation/handleSpecialCases.ts
diff --git a/test/migration/migrateSituation.test.ts b/test/migration/migrateSituation.test.ts
index 9eae08e..8a87069 100644
--- a/test/migration/migrateSituation.test.ts
+++ b/test/migration/migrateSituation.test.ts
@@ -1,4 +1,4 @@
-import { migrateSituation } from '../../source/migration/migrateSituation'
+import { migrateSituation } from '../../src/migration/migrateSituation'
 
 const migrationInstructions = {
   keysToMigrate: { age: 'âge', 'année de naissance': '' },
diff --git a/tsconfig.json b/tsconfig.json
index b935f12..57d0fd0 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -8,21 +8,11 @@
     "moduleResolution": "node",
     "resolveJsonModule": true,
     "sourceMap": true,
-    "types": [
-      "jest",
-      "node"
-    ],
+    "types": ["jest", "node"],
     "declaration": true,
     "forceConsistentCasingInFileNames": true,
-    "allowSyntheticDefaultImports": true
+    "allowSyntheticDefaultImports": true,
   },
-  "include": [
-    "src"
-  ],
-  "exclude": [
-    "./node_modules/",
-    "./dist/",
-    "./jest.config.js",
-    "./test/"
-  ]
+  "include": ["src"],
+  "exclude": ["./node_modules/", "./dist/", "./jest.config.js", "./test/"],
 }