diff --git a/packages/core/tsconfig.build.json b/packages/core/tsconfig.build.json
index 1b9ea8720bdaa..6aa59ada37cb0 100644
--- a/packages/core/tsconfig.build.json
+++ b/packages/core/tsconfig.build.json
@@ -7,5 +7,5 @@
 		"tsBuildInfoFile": "dist/build.tsbuildinfo"
 	},
 	"include": ["src/**/*.ts"],
-	"exclude": ["test/**"]
+	"exclude": ["test/**", "src/**/__tests__/**"]
 }
diff --git a/packages/workflow/tsconfig.build.json b/packages/workflow/tsconfig.build.json
index 1b9ea8720bdaa..6aa59ada37cb0 100644
--- a/packages/workflow/tsconfig.build.json
+++ b/packages/workflow/tsconfig.build.json
@@ -7,5 +7,5 @@
 		"tsBuildInfoFile": "dist/build.tsbuildinfo"
 	},
 	"include": ["src/**/*.ts"],
-	"exclude": ["test/**"]
+	"exclude": ["test/**", "src/**/__tests__/**"]
 }