diff --git a/.changeset/grumpy-maps-complain.md b/.changeset/grumpy-maps-complain.md
new file mode 100644
index 000000000000..72100d1464cd
--- /dev/null
+++ b/.changeset/grumpy-maps-complain.md
@@ -0,0 +1,5 @@
+---
+"@sveltejs/kit": patch
+---
+
+[breaking] remove `getStaticDirectory()` from builder API
diff --git a/packages/kit/src/core/adapt/builder.js b/packages/kit/src/core/adapt/builder.js
index 39f78fda30f4..e9e0dbf71cce 100644
--- a/packages/kit/src/core/adapt/builder.js
+++ b/packages/kit/src/core/adapt/builder.js
@@ -126,10 +126,6 @@ export function create_builder({ config, build_data, routes, prerendered, log })
 			return `${config.kit.outDir}/output/server`;
 		},
 
-		getStaticDirectory() {
-			return config.kit.files.assets;
-		},
-
 		getAppPath() {
 			return build_data.app_path;
 		},
diff --git a/packages/kit/types/index.d.ts b/packages/kit/types/index.d.ts
index cdfe21595d03..ea7672e19a7d 100644
--- a/packages/kit/types/index.d.ts
+++ b/packages/kit/types/index.d.ts
@@ -77,7 +77,6 @@ export interface Builder {
 	getBuildDirectory(name: string): string;
 	getClientDirectory(): string;
 	getServerDirectory(): string;
-	getStaticDirectory(): string;
 	/** The application path including any configured base path */
 	getAppPath(): string;