update few crates to drop old deps

2 files changed, 0 insertions, 8 deletions

diff --git a/src/tools/rustc-workspace-hack/Cargo.toml b/src/tools/rustc-workspace-hack/Cargo.toml
index 3c982b26127..80bb3b5d6a8 100644
--- a/src/tools/rustc-workspace-hack/Cargo.toml
+++ b/src/tools/rustc-workspace-hack/Cargo.toml
@@ -77,9 +77,6 @@ clap = { version = "3.1.1", features = ["derive", "clap_derive"]}
 curl-sys = { version = "0.4.13", features = ["http2", "libnghttp2-sys"], optional = true }
 # Ensure default features of libz-sys, which are disabled in some scenarios.
 libz-sys = { version = "1.1.2" }
-# The only user of memchr's deprecated `use_std` feature is `combine`, so this can be
-# removed if/when https://github.com/Marwes/combine/pull/348 is merged and released.
-memchr = { version = "2.5", features = ["std", "use_std"] }
 # Ensure default features of regex, which are disabled in some scenarios.
 regex = { version = "1.5.6" }
 serde_json = { version = "1.0.31", features = ["raw_value", "unbounded_depth"] }
diff --git a/src/tools/tidy/src/deps.rs b/src/tools/tidy/src/deps.rs
index 2fe17e979c8..6fa73ca9ec6 100644
--- a/src/tools/tidy/src/deps.rs
+++ b/src/tools/tidy/src/deps.rs
@@ -91,9 +91,6 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "autocfg",
     "bitflags",
     "block-buffer",
-    "block-padding",
-    "byte-tools",
-    "byteorder",
     "cc",
     "cfg-if",
     "chalk-derive",
@@ -118,7 +115,6 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "ena",
     "env_logger",
     "expect-test",
-    "fake-simd",
     "fallible-iterator", // dependency of `thorin`
     "filetime",
     "fixedbitset",
@@ -162,7 +158,6 @@ const PERMITTED_DEPENDENCIES: &[&str] = &[
     "object",
     "odht",
     "once_cell",
-    "opaque-debug",
     "parking_lot",
     "parking_lot_core",
     "pathdiff",