diff --git a/array.rs b/array.rs
index ab8e436..f62f321 100644
--- a/array.rs
+++ b/array.rs
@@ -2,7 +2,6 @@ use base::{
     AbstractCFTypeRef,
     CFAllocatorRef,
     CFIndex,
-    CFRange,
     CFTypeID,
     CFTypeRef,
     CFWrapper,
diff --git a/dictionary.rs b/dictionary.rs
index 1fceaa0..4d1e86c 100644
--- a/dictionary.rs
+++ b/dictionary.rs
@@ -3,13 +3,12 @@ use base::{
     Boolean,
     CFAllocatorRef,
     CFIndex,
-    CFType,
     CFTypeID,
     CFTypeRef,
     CFWrapper,
     kCFAllocatorDefault
 };
-use string::{CFString, CFStringRef};
+use string::CFStringRef;
 
 use core::libc::c_void;
 
diff --git a/number.rs b/number.rs
index f61c716..294e159 100644
--- a/number.rs
+++ b/number.rs
@@ -2,14 +2,13 @@ use base::{
     AbstractCFTypeRef,
     Boolean,
     CFAllocatorRef,
-    CFIndex,
     CFTypeID,
     CFTypeRef,
     CFWrapper,
     kCFAllocatorDefault
 };
 
-use core::libc::{c_int, c_void};
+use core::libc::c_void;
 
 pub type CFNumberType = u32;
 
diff --git a/set.rs b/set.rs
index 465c138..bcff1bd 100644
--- a/set.rs
+++ b/set.rs
@@ -8,7 +8,7 @@ use base::{
     CFWrapper,
     kCFAllocatorDefault,
 };
-use core::libc::{c_char, c_void};
+use core::libc::c_void;
 
 pub type CFSetRetainCallBack = *u8;
 pub type CFSetReleaseCallBack = *u8;
diff --git a/test.rs b/test.rs
index be0c2c0..b330800 100644
--- a/test.rs
+++ b/test.rs
@@ -1,7 +1,7 @@
-use boolean::{CFBoolean, CFBooleanRef};
-use number::{CFNumber, CFNumberRef};
+use boolean::CFBoolean;
+use number::CFNumber;
 use dictionary::CFDictionary;
-use string::{CFString, CFStringRef};
+use string::CFString;
 
 fn main() {
     /*let n = CFNumber::new_number(42 as i32);