diff --git a/MANIFEST.in b/MANIFEST.in
index c1c1fc51..a841992e 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -7,4 +7,7 @@ recursive-include scripts *.py
 recursive-include tests *.py
 recursive-include core *.rs *.toml
 recursive-include python *.rs *.toml
+recursive-exclude jni *
+recursive-exclude java *
+recursive-exclude js *
 include tiktoken *.json
\ No newline at end of file
diff --git a/pyproject.toml b/pyproject.toml
index 68d47ffe..3318ca00 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -36,7 +36,4 @@ macos.archs = ["x86_64", "arm64"]
 test-skip = "*-macosx_arm64"
 
 before-test = "pip install pytest"
-test-command = "pytest {project}/tests"
-
-[tool.check-manifest]
-ignore = ["js", "jni", "java"]
\ No newline at end of file
+test-command = "pytest {project}/tests"
\ No newline at end of file