diff --git a/CHANGELOG.md b/CHANGELOG.md
index e0c2d08..9058311 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# (Unreleased)
+
+* Remove `ops::Index` implementations for `Signature`
+
 # 0.11.4 - 2018-11-04
 
 * Add `FromStr` and `Display` for `Signature` and both key types
diff --git a/src/lib.rs b/src/lib.rs
index 81cbc57..e29f2c8 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -142,7 +142,7 @@
 pub extern crate libc;
 
 use libc::size_t;
-use std::{error, fmt, ops, ptr, str};
+use std::{error, fmt, ptr, str};
 #[cfg(any(test, feature = "rand"))] use rand::Rng;
 
 #[macro_use]
@@ -442,42 +442,6 @@ impl From<ffi::RecoverableSignature> for RecoverableSignature {
     }
 }
 
-impl ops::Index<usize> for Signature {
-    type Output = u8;
-
-    #[inline]
-    fn index(&self, index: usize) -> &u8 {
-        &self.0[index]
-    }
-}
-
-impl ops::Index<ops::Range<usize>> for Signature {
-    type Output = [u8];
-
-    #[inline]
-    fn index(&self, index: ops::Range<usize>) -> &[u8] {
-        &self.0[index]
-    }
-}
-
-impl ops::Index<ops::RangeFrom<usize>> for Signature {
-    type Output = [u8];
-
-    #[inline]
-    fn index(&self, index: ops::RangeFrom<usize>) -> &[u8] {
-        &self.0[index.start..]
-    }
-}
-
-impl ops::Index<ops::RangeFull> for Signature {
-    type Output = [u8];
-
-    #[inline]
-    fn index(&self, _: ops::RangeFull) -> &[u8] {
-        &self.0[..]
-    }
-}
-
 #[cfg(feature = "serde")]
 impl ::serde::Serialize for Signature {
     fn serialize<S: ::serde::Serializer>(&self, s: S) -> Result<S::Ok, S::Error> {