diff --git a/Cargo.toml b/Cargo.toml
index 550a7cc61..e71d72a58 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -16,7 +16,6 @@ exclude = [
 ]
 
 [features]
-core = []
 algorithm = []
 arithmetic = []
 blas = []
@@ -31,7 +30,7 @@ signal = []
 sparse = []
 statistics = []
 vision = []
-default = ["core", "algorithm", "arithmetic", "blas", "data", "indexing", "graphics", "image", "lapack",
+default = ["algorithm", "arithmetic", "blas", "data", "indexing", "graphics", "image", "lapack",
 "macros", "random", "signal", "sparse", "statistics", "vision"]
 
 [dependencies]
diff --git a/src/lib.rs b/src/lib.rs
index 044228778..8fca16c1d 100755
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -36,9 +36,7 @@
 #[macro_use]
 extern crate lazy_static;
 
-#[cfg(feature = "core")]
 pub use crate::array::*;
-#[cfg(feature = "core")]
 mod array;
 
 #[cfg(feature = "algorithm")]
@@ -51,9 +49,7 @@ pub use crate::arith::*;
 #[cfg(feature = "arithmetic")]
 mod arith;
 
-#[cfg(feature = "core")]
 pub use crate::backend::*;
-#[cfg(feature = "core")]
 mod backend;
 
 #[cfg(feature = "blas")]
@@ -66,24 +62,16 @@ pub use crate::data::*;
 #[cfg(feature = "data")]
 mod data;
 
-#[cfg(feature = "core")]
 pub use crate::device::*;
-#[cfg(feature = "core")]
 mod device;
 
-#[cfg(feature = "core")]
 pub use crate::defines::*;
-#[cfg(feature = "core")]
 mod defines;
 
-#[cfg(feature = "core")]
 pub use crate::dim4::Dim4;
-#[cfg(feature = "core")]
 mod dim4;
 
-#[cfg(feature = "core")]
 pub use crate::error::{handle_error_general, register_error_handler, Callback, ErrorCallback};
-#[cfg(feature = "core")]
 mod error;
 
 #[cfg(feature = "indexing")]
@@ -135,12 +123,10 @@ pub use crate::statistics::*;
 #[cfg(feature = "statistics")]
 mod statistics;
 
-#[cfg(feature = "core")]
-pub use crate::util::{FloatingPoint, ComplexFloating, RealFloating, RealNumber};
 pub use crate::util::{get_size, HasAfEnum, ImplicitPromote};
-pub use crate::util::{GrayRGBConvertible, ImageFilterType, ImageNativeType, Scanable};
+pub use crate::util::{ComplexFloating, FloatingPoint, RealFloating, RealNumber};
 pub use crate::util::{CovarianceComputable, EdgeComputable, MedianComputable, MomentsComputable};
-#[cfg(feature = "core")]
+pub use crate::util::{GrayRGBConvertible, ImageFilterType, ImageNativeType, Scanable};
 mod util;
 
 #[cfg(feature = "vision")]