diff --git a/CHANGELOG.md b/CHANGELOG.md
index 7d1c2d2..8b2b480 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -7,6 +7,18 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 <!-- next-header -->
 ## [Unreleased] - ReleaseDate
 
+#### Breaking Changes
+
+- `predicates::str::diff` was removed
+- `predicates::str::similar` was renamed to `diff`
+- The `difference` feature flag was renamed to `diff`
+- `diff().split` and `diff().distance` were removed
+
+#### Fixes
+
+- Shrink the output of Diffs because its redundant
+- Moved off of an unmaintained Diff library
+
 ## [1.0.4] - 2021-05-12
 
 #### Features
diff --git a/Cargo.toml b/Cargo.toml
index 58bbbc9..0af3390 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -21,9 +21,10 @@ maintenance = { status = "passively-maintained" }
 name = "bin_fixture"
 
 [dependencies]
-predicates = { version = "1.0", default-features = false, features = ["difference"] }
-predicates-core = "1.0"
-predicates-tree = "1.0"
+predicates = { version = "1.0", default-features = false, features = ["diff"], path="../predicates-rs" }
+predicates-core = {version="1.0", path="../predicates-rs/crates/core" }
+predicates-tree = {version="1.0", path="../predicates-rs/crates/tree" }
+
 doc-comment = "0.3"
 wait-timeout = "0.2.0"
 bstr = "0.2.14"
diff --git a/src/assert.rs b/src/assert.rs
index 0052a93..797445f 100644
--- a/src/assert.rs
+++ b/src/assert.rs
@@ -295,7 +295,7 @@ impl Assert {
     ///     .env("stdout", "hello")
     ///     .env("stderr", "world")
     ///     .assert()
-    ///     .stdout(predicate::str::similar("hello\n"));
+    ///     .stdout(predicate::str::diff("hello\n"));
     /// ```
     ///
     /// Accepting bytes:
@@ -379,7 +379,7 @@ impl Assert {
     ///     .env("stdout", "hello")
     ///     .env("stderr", "world")
     ///     .assert()
-    ///     .stderr(predicate::str::similar("world\n"));
+    ///     .stderr(predicate::str::diff("world\n"));
     /// ```
     ///
     /// Accepting bytes:
@@ -654,7 +654,7 @@ impl IntoCodePredicate<InCodePredicate> for &'static [i32] {
 ///     .env("stdout", "hello")
 ///     .env("stderr", "world")
 ///     .assert()
-///     .stdout(predicate::str::similar("hello\n").from_utf8());
+///     .stdout(predicate::str::diff("hello\n").from_utf8());
 ///
 /// // which can be shortened to:
 /// Command::cargo_bin("bin_fixture")
@@ -785,12 +785,12 @@ pub struct StrContentOutputPredicate(
 
 impl StrContentOutputPredicate {
     pub(crate) fn from_str(value: &'static str) -> Self {
-        let pred = predicates::str::similar(value).from_utf8();
+        let pred = predicates::str::diff(value).from_utf8();
         StrContentOutputPredicate(pred)
     }
 
     pub(crate) fn from_string(value: String) -> Self {
-        let pred = predicates::str::similar(value).from_utf8();
+        let pred = predicates::str::diff(value).from_utf8();
         StrContentOutputPredicate(pred)
     }
 }
@@ -862,7 +862,7 @@ impl IntoOutputPredicate<StrContentOutputPredicate> for &'static str {
 ///     .env("stdout", "hello")
 ///     .env("stderr", "world")
 ///     .assert()
-///     .stderr(predicate::str::similar("world\n"));
+///     .stderr(predicate::str::diff("world\n"));
 /// ```
 #[derive(Debug, Clone)]
 pub struct StrOutputPredicate<P: predicates_core::Predicate<str>>(
diff --git a/tests/assert.rs b/tests/assert.rs
index c2727a4..d912802 100644
--- a/tests/assert.rs
+++ b/tests/assert.rs
@@ -93,7 +93,7 @@ fn stdout_example() {
         .env("stdout", "hello")
         .env("stderr", "world")
         .assert()
-        .stdout(predicate::str::similar("hello\n"));
+        .stdout(predicate::str::diff("hello\n"));
 
     Command::cargo_bin("bin_fixture")
         .unwrap()
@@ -131,7 +131,7 @@ fn stderr_example() {
         .env("stdout", "hello")
         .env("stderr", "world")
         .assert()
-        .stderr(predicate::str::similar("world\n"));
+        .stderr(predicate::str::diff("world foo\n"));
 
     Command::cargo_bin("bin_fixture")
         .unwrap()