diff --git a/arrow/Cargo.toml b/arrow/Cargo.toml
index b3f394162cf..81ba040be38 100644
--- a/arrow/Cargo.toml
+++ b/arrow/Cargo.toml
@@ -50,7 +50,7 @@ chrono = "0.4"
 flatbuffers = { version = "=2.0.0", optional = true }
 hex = "0.4"
 prettytable-rs = { version = "0.8.0", optional = true }
-pyo3 = { version = "0.14", optional = true } #features = ["extension-module"] }
+pyo3 = { version = "0.14", optional = true }
 libc = { version = "0.2", optional = true }
 lexical-core = "^0.7"
 multiversion = "0.6.1"