diff --git a/zcash_client_backend/Cargo.toml b/zcash_client_backend/Cargo.toml
index 02459135c..329af2034 100644
--- a/zcash_client_backend/Cargo.toml
+++ b/zcash_client_backend/Cargo.toml
@@ -24,21 +24,15 @@ bs58 = { version = "0.4", features = ["check"] }
 byteorder = { version = "1", optional = true }
 crossbeam-channel = "0.5"
 group = "0.12"
-hex = "0.4"
 hdwallet = { version = "0.3.1", optional = true }
-jubjub = "0.9"
 memuse = "0.2"
 nom = "7"
 orchard = "0.3"
 percent-encoding = "2.1.0"
 proptest = { version = "1.0.0", optional = true }
 protobuf = "~2.27.1" # MSRV 1.52.1
-rand_core = "0.6"
 rayon = "1.5"
-ripemd = { version = "0.1", optional = true }
-secp256k1 = { version = "0.21", optional = true }
 secrecy = "0.8"
-sha2 = { version = "0.10.1", optional = true }
 subtle = "2.2.3"
 time = "0.2"
 tracing = "0.1"
@@ -52,14 +46,17 @@ protobuf-codegen-pure = "~2.27.1" # MSRV 1.52.1
 
 [dev-dependencies]
 gumdrop = "0.8"
+hex = "0.4"
+jubjub = "0.9"
 proptest = "1.0.0"
+rand_core = "0.6"
 rand_xorshift = "0.3"
 tempfile = "3.1.0"
 zcash_proofs = { version = "0.8", path = "../zcash_proofs" }
 zcash_address = { version = "0.2", path = "../components/zcash_address", features = ["test-dependencies"] }
 
 [features]
-transparent-inputs = ["ripemd", "hdwallet", "sha2", "secp256k1", "zcash_primitives/transparent-inputs"]
+transparent-inputs = ["hdwallet", "zcash_primitives/transparent-inputs"]
 test-dependencies = [
     "proptest",
     "orchard/test-dependencies",
diff --git a/zcash_client_sqlite/Cargo.toml b/zcash_client_sqlite/Cargo.toml
index 52011a694..ad2ca3e7d 100644
--- a/zcash_client_sqlite/Cargo.toml
+++ b/zcash_client_sqlite/Cargo.toml
@@ -14,13 +14,11 @@ edition = "2021"
 rust-version = "1.56.1"
 
 [dependencies]
-bech32 = "0.8"
 bs58 = { version = "0.4", features = ["check"] }
 group = "0.12"
 hdwallet = { version = "0.3.1", optional = true }
 jubjub = "0.9"
 protobuf = "~2.27.1" # MSRV 1.52.1
-rand_core = "0.6"
 rusqlite = { version = "0.25", features = ["bundled", "time"] }
 schemer = "0.2"
 schemer-rusqlite = "0.2"
@@ -32,6 +30,7 @@ zcash_primitives = { version = "0.8", path = "../zcash_primitives" }
 
 [dev-dependencies]
 proptest = "1.0.0"
+rand_core = "0.6"
 regex = "1.4"
 tempfile = "3"
 zcash_proofs = { version = "0.8", path = "../zcash_proofs" }
diff --git a/zcash_primitives/Cargo.toml b/zcash_primitives/Cargo.toml
index dc7ec2d86..2810803c4 100644
--- a/zcash_primitives/Cargo.toml
+++ b/zcash_primitives/Cargo.toml
@@ -24,9 +24,7 @@ bip0039 = { version = "0.9", features = ["std", "all-languages"] }
 blake2b_simd = "1"
 blake2s_simd = "1"
 bls12_381 = "0.7"
-bs58 = { version = "0.4", features = ["check"], optional = true }
 byteorder = "1"
-chacha20poly1305 = "0.10"
 equihash = { version = "0.2", path = "../components/equihash" }
 ff = "0.12"
 fpe = "0.5"
@@ -55,6 +53,7 @@ path = "../components/zcash_note_encryption"
 features = ["pre-zip-212"]
 
 [dev-dependencies]
+chacha20poly1305 = "0.10"
 criterion = "0.3"
 proptest = "1.0.0"
 rand_xorshift = "0.3"
@@ -64,7 +63,7 @@ orchard = { version = "0.3", features = ["test-dependencies"] }
 pprof = { version = "0.9", features = ["criterion", "flamegraph"] } # MSRV 1.56
 
 [features]
-transparent-inputs = ["bs58", "hdwallet", "ripemd", "secp256k1"]
+transparent-inputs = ["hdwallet", "ripemd", "secp256k1"]
 test-dependencies = ["proptest", "orchard/test-dependencies"]
 zfuture = []
 
diff --git a/zcash_proofs/Cargo.toml b/zcash_proofs/Cargo.toml
index 5302cabbf..c1aad65b8 100644
--- a/zcash_proofs/Cargo.toml
+++ b/zcash_proofs/Cargo.toml
@@ -20,7 +20,6 @@ all-features = true
 bellman = { version = "0.13.1", default-features = false, features = ["groth16"] }
 blake2b_simd = "1"
 bls12_381 = "0.7"
-byteorder = "1"
 directories = { version = "4", optional = true }
 group = "0.12"
 jubjub = "0.9"
@@ -33,6 +32,7 @@ wagyu-zcash-parameters = { version = "0.2", optional = true }
 zcash_primitives = { version = "0.8", path = "../zcash_primitives" }
 
 [dev-dependencies]
+byteorder = "1"
 criterion = "0.3"
 rand_xorshift = "0.3"