diff --git a/depends/packages/crate_bech32.mk b/depends/packages/crate_bech32.mk
deleted file mode 100644
index 588457932..000000000
--- a/depends/packages/crate_bech32.mk
+++ /dev/null
@@ -1,15 +0,0 @@
-package=crate_bech32
-$(package)_crate_name=bech32
-$(package)_version=0.7.1
-$(package)_download_path=https://static.crates.io/crates/$($(package)_crate_name)
-$(package)_file_name=$($(package)_crate_name)-$($(package)_version).crate
-$(package)_sha256_hash=9e0089c35ab7c6f2bc55ab23f769913f0ac65b1023e7e74638a1f43128dd5df2
-$(package)_crate_versioned_name=$($(package)_crate_name)
-
-define $(package)_preprocess_cmds
-  $(call generate_crate_checksum,$(package))
-endef
-
-define $(package)_stage_cmds
-  $(call vendor_crate_source,$(package))
-endef
diff --git a/depends/packages/crate_rand_os.mk b/depends/packages/crate_rand_os.mk
deleted file mode 100644
index 9965f2447..000000000
--- a/depends/packages/crate_rand_os.mk
+++ /dev/null
@@ -1,15 +0,0 @@
-package=crate_rand_os
-$(package)_crate_name=rand_os
-$(package)_version=0.2.1
-$(package)_download_path=https://static.crates.io/crates/$($(package)_crate_name)
-$(package)_file_name=$($(package)_crate_name)-$($(package)_version).crate
-$(package)_sha256_hash=ddb525a78d3a0b0e05b6fe0f7df14d7a4dc957944c7b403911ba5a0f1c694967
-$(package)_crate_versioned_name=$($(package)_crate_name)
-
-define $(package)_preprocess_cmds
-  $(call generate_crate_checksum,$(package))
-endef
-
-define $(package)_stage_cmds
-  $(call vendor_crate_source,$(package))
-endef
diff --git a/depends/packages/crate_sapling_crypto.mk b/depends/packages/crate_sapling_crypto.mk
deleted file mode 100644
index 2da5e2406..000000000
--- a/depends/packages/crate_sapling_crypto.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-package=crate_sapling_crypto
-$(package)_crate_name=sapling-crypto
-$(package)_download_path=https://github.com/zcash-hackworks/$($(package)_crate_name)/archive/
-$(package)_file_name=$(package)-$($(package)_git_commit).tar.gz
-$(package)_download_file=$($(package)_git_commit).tar.gz
-$(package)_sha256_hash=ae3a122b1f1ce97b4e80e0e8542e19aa1516e99e6c72875688c886af1a881558
-$(package)_git_commit=21084bde2019c04bd34208e63c3560fe2c02fb0e
-$(package)_crate_versioned_name=$($(package)_crate_name)
-
-define $(package)_preprocess_cmds
-  $(call generate_unpackaged_crate_checksum,$(package))
-endef
-
-define $(package)_stage_cmds
-  $(call vendor_crate_source,$(package))
-endef
diff --git a/depends/packages/crate_zip32.mk b/depends/packages/crate_zip32.mk
deleted file mode 100644
index e47f1fb94..000000000
--- a/depends/packages/crate_zip32.mk
+++ /dev/null
@@ -1,16 +0,0 @@
-package=crate_zip32
-$(package)_crate_name=zip32
-$(package)_download_path=https://github.com/zcash-hackworks/$($(package)_crate_name)/archive/
-$(package)_file_name=$(package)-$($(package)_git_commit).tar.gz
-$(package)_download_file=$($(package)_git_commit).tar.gz
-$(package)_sha256_hash=b0b011ea96524f0d918a44c7ab8a3dec6270879d1ff03d7dbda6c676d25caa7e
-$(package)_git_commit=176470ef41583b5bd0bd749bd1b61d417aa8ec79
-$(package)_crate_versioned_name=$($(package)_crate_name)
-
-define $(package)_preprocess_cmds
-  $(call generate_unpackaged_crate_checksum,$(package))
-endef
-
-define $(package)_stage_cmds
-  $(call vendor_crate_source,$(package))
-endef
diff --git a/depends/packages/packages.mk b/depends/packages/packages.mk
index dc247e84c..62e597897 100644
--- a/depends/packages/packages.mk
+++ b/depends/packages/packages.mk
@@ -5,7 +5,6 @@ rust_crates := \
   crate_arrayref \
   crate_arrayvec \
   crate_autocfg \
-  crate_bech32 \
   crate_bellman \
   crate_bit_vec \
   crate_blake2b_simd \
@@ -55,7 +54,6 @@ rust_crates := \
   crate_rand_chacha \
   crate_rand_core \
   crate_rand_hc \
-  crate_rand_os \
   crate_rand_xorshift \
   crate_rand \
   crate_rustc_version \