diff --git a/Cargo.lock b/Cargo.lock
index a012b5f..a5b53ef 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -5,21 +5,3 @@ version = 3
 [[package]]
 name = "aoc"
 version = "0.1.0"
-dependencies = [
- "itertools",
-]
-
-[[package]]
-name = "either"
-version = "1.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
-
-[[package]]
-name = "itertools"
-version = "0.10.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "69ddb889f9d0d08a67338271fa9b62996bc788c7796a5c18cf057420aaed5eaf"
-dependencies = [
- "either",
-]
diff --git a/Cargo.toml b/Cargo.toml
index 00131b7..2b6823c 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -10,4 +10,3 @@ default-run = "aoc"
 lto = "thin"
 
 [dependencies]
-itertools = "0.10.1"