diff --git a/Cargo.lock b/Cargo.lock
index 9b99855..11611c7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -52,7 +52,6 @@ dependencies = [
  "mail-parser 0.4.8 (git+https://github.com/superboum/mail-parser?rev=db61a03)",
  "mail-parser 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "mail-parser 0.5.0 (git+https://github.com/stalwartlabs/mail-parser?branch=main)",
- "pretty_env_logger",
  "rand",
  "rmp-serde",
  "rpassword",
@@ -73,15 +72,6 @@ dependencies = [
  "zstd",
 ]
 
-[[package]]
-name = "aho-corasick"
-version = "0.7.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "ansi_term"
 version = "0.12.1"
@@ -791,19 +781,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "env_logger"
-version = "0.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "44533bbbb3bb3c1fa17d9f2e4e38bbbaf8396ba82193c4cb1b6445d711445d36"
-dependencies = [
- "atty",
- "humantime",
- "log",
- "regex",
- "termcolor",
-]
-
 [[package]]
 name = "event-listener"
 version = "2.5.2"
@@ -1113,15 +1090,6 @@ version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4a1e36c821dbe04574f602848a19f742f4fb3c98d40449f11bcad18d6b17421"
 
-[[package]]
-name = "humantime"
-version = "1.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df004cfca50ef23c36850aaaa59ad52cc70d0e90243c3c7737a4dd32dc7a3c4f"
-dependencies = [
- "quick-error",
-]
-
 [[package]]
 name = "hyper"
 version = "0.14.19"
@@ -1748,16 +1716,6 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
-[[package]]
-name = "pretty_env_logger"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "926d36b9553851b8b0005f1275891b392ee4d2d833852c417ed025477350fb9d"
-dependencies = [
- "env_logger",
- "log",
-]
-
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1791,12 +1749,6 @@ dependencies = [
  "unicode-ident",
 ]
 
-[[package]]
-name = "quick-error"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1d01941d82fa2ab50be1e79e6714289dd7cde78eba4c074bc5a4374f650dfe0"
-
 [[package]]
 name = "quote"
 version = "1.0.18"
@@ -1871,17 +1823,6 @@ dependencies = [
  "thiserror",
 ]
 
-[[package]]
-name = "regex"
-version = "1.5.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d83f127d94bdbcda4c8cc2e50f6f84f4b611f69c902699ca385a39c3a75f9ff1"
-dependencies = [
- "aho-corasick",
- "memchr",
- "regex-syntax",
-]
-
 [[package]]
 name = "regex-automata"
 version = "0.1.10"
diff --git a/Cargo.toml b/Cargo.toml
index 399b50d..2f41cb0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,6 @@ lazy_static = "1.4"
 ldap3 = { version = "0.10", default-features = false, features = ["tls"] }
 log = "0.4"
 mail-parser = "0.5"
-pretty_env_logger = "0.4"
 rusoto_core = "0.48.0"
 rusoto_credential = "0.48.0"
 rusoto_s3 = "0.48"