diff --git a/flake.nix b/flake.nix
index 30c20db..2f74128 100644
--- a/flake.nix
+++ b/flake.nix
@@ -44,7 +44,6 @@
           curl
           jq
           minisign
-          python3Full
         ];
       };
 
diff --git a/update b/update
index b767cf1..6b93157 100755
--- a/update
+++ b/update
@@ -1,24 +1,21 @@
 #!/usr/bin/env nix-shell
-#! nix-shell -p curl jq minisign python3Full -i sh
+#! nix-shell -p curl jq -i sh
 set -e
 
 # Build our new sources.json
 curl -s 'https://ziglang.org/download/index.json' | jq '
 ["aarch64-linux", "x86_64-linux", "aarch64-macos", "x86_64-macos", "aarch64-windows", "x86_64-windows"] as $targets |
 def todarwin(x): x | gsub("macos"; "darwin");
-def toentry(vsn; x; clobber_sha):
+def toentry(vsn; x):
   [(vsn as $version |
     .value |
     to_entries[] |
     select(.key as $key | any($targets[]; . == $key)) | {
-      (todarwin(.key)): ({
+      (todarwin(.key)): {
         "url": .value.tarball,
+        "sha256": .value.shasum,
         "version": $version,
-      } + (if (clobber_sha) then
-        { "sha256": .value.shasum }
-      else
-        {}
-      end))
+      }
     }
   )] | add | first(values, {});
 
@@ -26,10 +23,10 @@ reduce to_entries[] as $entry ({}; . * (
   $entry | {
     (.key): (
       if (.key != "master") then
-        toentry(.key; .value; false)
+        toentry(.key; .value)
       else {
-        "latest": toentry(.value.version; .value; true),
-        (.value.date): toentry(.value.version; .value; true),
+        "latest": toentry(.value.version; .value),
+        (.value.date): toentry(.value.version; .value),
       } end
     )
   }
@@ -45,6 +42,3 @@ cp sources.json sources.old.json
 
 # Recursive merge
 jq -s '.[0] * .[1]' sources.old.json sources.new.json > sources.json
-
-# Verify new release signatures and compute the SHA-256 sum.
-python verify_and_hash.py
diff --git a/verify_and_hash.py b/verify_and_hash.py
deleted file mode 100755
index 5e628bb..0000000
--- a/verify_and_hash.py
+++ /dev/null
@@ -1,84 +0,0 @@
-#!/usr/bin/env nix-shell
-#! nix-shell -p python3Full -i python
-import hashlib
-import json
-import subprocess
-import urllib.request
-
-LOCAL_JSON_PATH = "sources.json"
-ZIG_JSON_URL = "https://ziglang.org/download/index.json"
-PLATFORMS = {"aarch64-linux", "x86_64-linux", "aarch64-macos", "x86_64-macos", "aarch64-windows", "x86_64-windows"}
-PUBLIC_KEY = "RWSGOq2NVecA2UPNdBUZykf1CCb147pkmdtYxgb3Ti+JO/wCYvhbAb/U"
-
-def fix_release(release):
-    "Fix all the null SHA256 entries in a single release."
-    for platform_key in release:
-        platform = release[platform_key]
-        if platform["sha256"] != None or platform["url"] == None:
-            continue
-        print(f'fixing version={platform["version"]} platform={platform_key}')
-
-        try:
-            sigfile, _ = urllib.request.urlretrieve(platform["url"] + ".minisig")
-            binfile, _ = urllib.request.urlretrieve(platform["url"])
-
-            sigcheck = subprocess.run([
-                "minisign",
-                "-V",
-                "-P", PUBLIC_KEY,
-                "-x", sigfile,
-                "-m", binfile,
-            ], stdin=subprocess.DEVNULL, stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL)
-
-            if sigcheck.returncode != 0:
-                print('  failed signature check!')
-                continue
-
-            platform["sha256"] = sha256_file(binfile)
-        except urllib.error.HTTPError as e:
-            # 403 is semantically 404 for Zig
-            if e.code == 403:
-                platform["broken"] = True
-                platform["sha256"] = "BROKEN. THIS IS PURPOSELY INVALID."
-            else:
-                print(f'  failed download: {e}')
-        finally:
-            urllib.request.urlcleanup()
-
-def sha256_file(file_name):
-    "Compute the SHA256 hash of a file."
-    h = hashlib.sha256()
-    with open(file_name, "rb") as f:
-        for chunk in iter(lambda: f.read(4096), b""):
-            h.update(chunk)
-    return h.hexdigest()
-
-def main():
-    """
-    This "fixes" our sources.json by finding all releases with a null sha256
-    and computing the value. Prior to computing the value, we validate the
-    signature, too.
-
-    We should probably merge all of ./update logic into here, but I bolted
-    this on at some point because it works. Contributions welcome!
-    """
-    # Load our local sources
-    with open(LOCAL_JSON_PATH, encoding="utf-8") as f:
-        local = json.load(f)
-
-    # Go through master releases
-    for release_name in local:
-        release = local[release_name]
-
-        if release_name == "master":
-            for date in release:
-                fix_release(release[date])
-        else:
-            fix_release(release)
-
-    # Save
-    with open(LOCAL_JSON_PATH, "w", encoding="utf-8") as f:
-        json.dump(local, f, indent=2)
-
-if __name__ == "__main__":
-    main()