diff --git a/crates/polars-core/Cargo.toml b/crates/polars-core/Cargo.toml
index 0089e871b60..b50fa2b490e 100644
--- a/crates/polars-core/Cargo.toml
+++ b/crates/polars-core/Cargo.toml
@@ -13,7 +13,7 @@ polars-compute = { workspace = true, features = ["gather"] }
 polars-error = { workspace = true }
 polars-row = { workspace = true }
 polars-schema = { workspace = true }
-polars-utils = { workspace = true, features = ['mmap'] }
+polars-utils = { workspace = true }
 
 ahash = { workspace = true }
 arrow = { workspace = true }
diff --git a/crates/polars-io/src/utils/other.rs b/crates/polars-io/src/utils/other.rs
index b96136f19ac..ceec5dc4621 100644
--- a/crates/polars-io/src/utils/other.rs
+++ b/crates/polars-io/src/utils/other.rs
@@ -4,7 +4,6 @@ use std::io::{Seek, SeekFrom};
 
 use once_cell::sync::Lazy;
 use polars_core::prelude::*;
-#[cfg(any(feature = "ipc_streaming", feature = "parquet"))]
 use polars_utils::mmap::{MMapSemaphore, MemSlice};
 use regex::{Regex, RegexBuilder};