diff --git a/packages/tinyest-for-wgsl/tsdown.config.ts b/packages/tinyest-for-wgsl/tsdown.config.ts
index 7fe9438bb0..22d04d5245 100644
--- a/packages/tinyest-for-wgsl/tsdown.config.ts
+++ b/packages/tinyest-for-wgsl/tsdown.config.ts
@@ -8,4 +8,6 @@ export default defineConfig({
   dts: true,
   platform: 'neutral',
   target: false,
+  unbundle: true,
+  sourcemap: false,
 });
diff --git a/packages/tinyest/tsdown.config.ts b/packages/tinyest/tsdown.config.ts
index 0ed327f6fa..518f92aace 100644
--- a/packages/tinyest/tsdown.config.ts
+++ b/packages/tinyest/tsdown.config.ts
@@ -7,4 +7,6 @@ export default defineConfig({
   dts: true,
   platform: 'neutral',
   target: false,
+  unbundle: true,
+  sourcemap: false,
 });
diff --git a/packages/typegpu/tsdown.config.ts b/packages/typegpu/tsdown.config.ts
index 1791a4f8bf..1a3c9334e7 100644
--- a/packages/typegpu/tsdown.config.ts
+++ b/packages/typegpu/tsdown.config.ts
@@ -14,5 +14,7 @@ export default defineConfig({
   format: 'esm',
   dts: true,
   platform: 'neutral',
+  unbundle: true,
+  sourcemap: false,
   target: false,
 });
diff --git a/packages/unplugin-typegpu/tsdown.config.ts b/packages/unplugin-typegpu/tsdown.config.ts
index 68af3a51d7..b2fd7db23d 100644
--- a/packages/unplugin-typegpu/tsdown.config.ts
+++ b/packages/unplugin-typegpu/tsdown.config.ts
@@ -22,5 +22,7 @@ export default defineConfig({
   tsconfig: './tsconfig.json',
   target: 'es2017',
   platform: 'node',
+  unbundle: true,
+  sourcemap: false,
   dts: true,
 });
diff --git a/tsconfig.base.json b/tsconfig.base.json
index 3af7cba8ae..2bed5f00e0 100644
--- a/tsconfig.base.json
+++ b/tsconfig.base.json
@@ -2,7 +2,6 @@
   "compilerOptions": {
     "outDir": "${configDir}/dist",
     "declaration": true,
-    "declarationMap": true,
     "lib": ["ESNext", "DOM"],
     "emitDeclarationOnly": true,
     "target": "ESNext",