diff --git a/grep/Cargo.toml b/grep/Cargo.toml
index 92222cdf..b6a97d27 100644
--- a/grep/Cargo.toml
+++ b/grep/Cargo.toml
@@ -21,16 +21,9 @@ grep-regex = { version = "0.1.1", path = "../grep-regex" }
 grep-searcher = { version = "0.1.1", path = "../grep-searcher" }
 
 [dev-dependencies]
-atty = "0.2.11"
-regex = "1.1"
 termcolor = "1.0.4"
 walkdir = "2.2.7"
 
-[dev-dependencies.clap]
-version = "2.32.0"
-default-features = false
-features = ["suggestions"]
-
 [features]
 simd-accel = ["grep-searcher/simd-accel"]
 pcre2 = ["grep-pcre2"]