diff --git a/packages/expect/.npmignore b/packages/expect/.npmignore
index 3ee5d55b0b89..0f8a566fe139 100644
--- a/packages/expect/.npmignore
+++ b/packages/expect/.npmignore
@@ -1,5 +1,6 @@
 **/__mocks__/**
 **/__tests__/**
+__typechecks__
 src
 tsconfig.json
 tsconfig.tsbuildinfo
diff --git a/packages/jest-types/.npmignore b/packages/jest-types/.npmignore
index 3ee5d55b0b89..0f8a566fe139 100644
--- a/packages/jest-types/.npmignore
+++ b/packages/jest-types/.npmignore
@@ -1,5 +1,6 @@
 **/__mocks__/**
 **/__tests__/**
+__typechecks__
 src
 tsconfig.json
 tsconfig.tsbuildinfo