diff --git a/scripts/optimization/lib/evals/config.ts b/scripts/optimization/evals/config.ts
similarity index 100%
rename from scripts/optimization/lib/evals/config.ts
rename to scripts/optimization/evals/config.ts
diff --git a/scripts/optimization/lib/evals/metrics/brevityMetric.test.ts b/scripts/optimization/evals/metrics/brevityMetric.test.ts
similarity index 100%
rename from scripts/optimization/lib/evals/metrics/brevityMetric.test.ts
rename to scripts/optimization/evals/metrics/brevityMetric.test.ts
diff --git a/scripts/optimization/lib/evals/metrics/brevityMetric.ts b/scripts/optimization/evals/metrics/brevityMetric.ts
similarity index 100%
rename from scripts/optimization/lib/evals/metrics/brevityMetric.ts
rename to scripts/optimization/evals/metrics/brevityMetric.ts
diff --git a/scripts/optimization/lib/evals/metrics/toolAlignment.test.ts b/scripts/optimization/evals/metrics/toolAlignment.test.ts
similarity index 100%
rename from scripts/optimization/lib/evals/metrics/toolAlignment.test.ts
rename to scripts/optimization/evals/metrics/toolAlignment.test.ts
diff --git a/scripts/optimization/lib/evals/metrics/toolAlignment.ts b/scripts/optimization/evals/metrics/toolAlignment.ts
similarity index 100%
rename from scripts/optimization/lib/evals/metrics/toolAlignment.ts
rename to scripts/optimization/evals/metrics/toolAlignment.ts
diff --git a/scripts/optimization/lib/evals/schema.ts b/scripts/optimization/evals/schema.ts
similarity index 100%
rename from scripts/optimization/lib/evals/schema.ts
rename to scripts/optimization/evals/schema.ts
diff --git a/scripts/optimization/lib/evals/types.ts b/scripts/optimization/evals/types.ts
similarity index 100%
rename from scripts/optimization/lib/evals/types.ts
rename to scripts/optimization/evals/types.ts
diff --git a/scripts/optimization/extract.ts b/scripts/optimization/extract.ts
index c28f44226f..4ebb131812 100644
--- a/scripts/optimization/extract.ts
+++ b/scripts/optimization/extract.ts
@@ -7,7 +7,7 @@
 import * as fs from 'node:fs';
 import * as path from 'node:path';
 import { fileURLToPath } from 'node:url';
-import { maskVariables } from './lib/masking.js';
+import { maskVariables } from './masking.js';
 
 export interface OptimizationTarget {
   id: string;
diff --git a/scripts/optimization/lib/masking.test.ts b/scripts/optimization/masking.test.ts
similarity index 100%
rename from scripts/optimization/lib/masking.test.ts
rename to scripts/optimization/masking.test.ts
diff --git a/scripts/optimization/lib/masking.ts b/scripts/optimization/masking.ts
similarity index 100%
rename from scripts/optimization/lib/masking.ts
rename to scripts/optimization/masking.ts