diff --git a/tsconfig.esm.json b/tsconfig.esm.json
index 6a4d3555..3ca59b38 100644
--- a/tsconfig.esm.json
+++ b/tsconfig.esm.json
@@ -5,8 +5,9 @@
     "outDir": "esm",
     "module": "es2020",
     "moduleResolution": "bundler",
-    "strict": true,
-    "noImplicitReturns": false
+    "noImplicitReturns": false,
+    "sourceMap": false,
+    "declarationMap": false
   },
   "include": [
     "src"
diff --git a/tsconfig.json b/tsconfig.json
index 7c3002f2..c9932bcd 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -3,8 +3,9 @@
   "compilerOptions": {
     "baseUrl": ".",
     "outDir": ".",
-    "strict": true,
-    "noImplicitReturns": false
+    "noImplicitReturns": false,
+    "sourceMap": false,
+    "declarationMap": false
   },
   "include": [
     "src"