diff --git a/MANIFEST.in b/MANIFEST.in
index 28dbf3cad29dfa121c69cecfcc4c1be659fab5ce..c2909ca8a5367778dbe1edc30bb9bb4997c866cc 100644
--- a/MANIFEST.in
+++ b/MANIFEST.in
@@ -4,7 +4,6 @@ include AUTHORS.txt
 include pyproject.toml
 
 recursive-include src/pymatlib *
-recursive-include src/pymatlib/data *
 recursive-include docs *
 
 recursive-exclude * __pycache__