diff --git a/Cargo.lock b/Cargo.lock
index 4652f49a2d..2f0ddab8d8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2416,9 +2416,7 @@ dependencies = [
  "bytes",
  "chrono",
  "crc",
- "crossbeam-channel",
  "crossbeam-queue",
- "crossbeam-utils",
  "digest",
  "dirs",
  "either",
@@ -2445,7 +2443,6 @@ dependencies = [
  "memchr",
  "num-bigint",
  "once_cell",
- "parking_lot",
  "percent-encoding",
  "rand",
  "regex",
diff --git a/sqlx-core/Cargo.toml b/sqlx-core/Cargo.toml
index 9e8870ec96..e8912206fa 100644
--- a/sqlx-core/Cargo.toml
+++ b/sqlx-core/Cargo.toml
@@ -112,8 +112,6 @@ byteorder = { version = "1.4.3", default-features = false, features = ["std"] }
 chrono = { version = "0.4.19", default-features = false, features = ["clock"], optional = true }
 crc = { version = "2.1.0", optional = true }
 crossbeam-queue = "0.3.2"
-crossbeam-channel = "0.5.1"
-crossbeam-utils = { version = "0.8.5", default-features = false }
 digest = { version = "0.9.0", default-features = false, optional = true, features = ["std"] }
 dirs = { version = "4.0.0", optional = true }
 encoding_rs = { version = "0.8.30", optional = true }
@@ -143,7 +141,6 @@ memchr = { version = "2.4.1", default-features = false }
 num-bigint = { version = "0.3.3", default-features = false, optional = true, features = ["std"] }
 once_cell = "1.9.0"
 percent-encoding = "2.1.0"
-parking_lot = "0.11.2"
 rand = { version = "0.8.4", default-features = false, optional = true, features = ["std", "std_rng"] }
 regex = { version = "1.5.4", optional = true }
 rsa = { version = "0.5.0", optional = true }