diff --git a/pkgs/servers/sql/postgresql/ext.nix b/pkgs/servers/sql/postgresql/ext.nix
index 4593540d2e71..43fee0a937f3 100644
--- a/pkgs/servers/sql/postgresql/ext.nix
+++ b/pkgs/servers/sql/postgresql/ext.nix
@@ -23,4 +23,5 @@ in
 // lib.optionalAttrs config.allowAliases {
   cstore_fdw = throw "PostgreSQL extension `cstore_fdw` has been removed due to being broken for more than a year; see RFC 180"; # Added 2026-02-05
   pg_embedding = throw "PostgreSQL extension `pg_embedding` has been removed since the project has been abandoned. Upstream's recommendation is to use pgvector instead (https://neon.tech/docs/extensions/pg_embedding#migrate-from-pg_embedding-to-pgvector)";
+  pgvecto-rs = throw "PostgreSQL extension `pgvecto-rs` has been removed since the project has been abandoned. Upstream's recommendation is to use vectorchord instead (https://docs.vectorchord.ai/vectorchord/admin/migration.html#from-pgvecto-rs) "; # Added 2026-03-13
 }
diff --git a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0001-read-clang-flags-from-environment.diff b/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0001-read-clang-flags-from-environment.diff
deleted file mode 100644
index d05a5cd34e16..000000000000
--- a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0001-read-clang-flags-from-environment.diff
+++ /dev/null
@@ -1,19 +0,0 @@
-diff --git a/crates/c/build.rs b/crates/c/build.rs
-index 8d822e5..8b7e371 100644
---- a/crates/c/build.rs
-+++ b/crates/c/build.rs
-@@ -1,9 +1,13 @@
- fn main() {
-     println!("cargo:rerun-if-changed=src/f16.h");
-     println!("cargo:rerun-if-changed=src/f16.c");
-+    println!("cargo:rerun-if-env-changed=BINDGEN_EXTRA_CLANG_ARGS");
-     cc::Build::new()
--        .compiler("clang-16")
-+        .compiler("@clang@")
-         .file("./src/f16.c")
-+        // read env var set by rustPlatform.bindgenHook
-+        .try_flags_from_environment("BINDGEN_EXTRA_CLANG_ARGS")
-+        .expect("the BINDGEN_EXTRA_CLANG_ARGS environment variable must be specified and UTF-8")
-         .opt_level(3)
-         .debug(true)
-         .compile("vectorsc");
diff --git a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0002-allow-dangerous-implicit-autorefs.diff b/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0002-allow-dangerous-implicit-autorefs.diff
deleted file mode 100644
index 34230c372de0..000000000000
--- a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/0002-allow-dangerous-implicit-autorefs.diff
+++ /dev/null
@@ -1,21 +0,0 @@
-diff --git a/crates/common/src/lib.rs b/crates/common/src/lib.rs
-index 18172b9..6fc7e82 100644
---- a/crates/common/src/lib.rs
-+++ b/crates/common/src/lib.rs
-@@ -1,3 +1,4 @@
-+#![warn(dangerous_implicit_autorefs)]
- pub mod clean;
- pub mod dir_ops;
- pub mod file_atomic;
-diff --git a/src/lib.rs b/src/lib.rs
-index 068c65d..82609e9 100644
---- a/src/lib.rs
-+++ b/src/lib.rs
-@@ -6,6 +6,7 @@
- #![allow(clippy::needless_range_loop)]
- #![allow(clippy::single_match)]
- #![allow(clippy::too_many_arguments)]
-+#![warn(dangerous_implicit_autorefs)]
- 
- mod bgworker;
- mod datatype;
diff --git a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/package.nix b/pkgs/servers/sql/postgresql/ext/pgvecto-rs/package.nix
deleted file mode 100644
index 412e46646247..000000000000
--- a/pkgs/servers/sql/postgresql/ext/pgvecto-rs/package.nix
+++ /dev/null
@@ -1,119 +0,0 @@
-{
-  buildPgrxExtension,
-  cargo-pgrx_0_12_0_alpha_1,
-  clang,
-  fetchFromGitHub,
-  lib,
-  nix-update-script,
-  openssl,
-  pkg-config,
-  postgresql,
-  postgresqlTestExtension,
-  replaceVars,
-}:
-
-buildPgrxExtension (finalAttrs: {
-  inherit postgresql;
-  cargo-pgrx = cargo-pgrx_0_12_0_alpha_1;
-
-  pname = "pgvecto-rs";
-  version = "0.3.0";
-
-  buildInputs = [ openssl ];
-  nativeBuildInputs = [ pkg-config ];
-
-  patches = [
-    # Tell the `c` crate to use the flags from the rust bindgen hook
-    (replaceVars ./0001-read-clang-flags-from-environment.diff {
-      clang = lib.getExe clang;
-    })
-    # Rust 1.89 denies implicit autorefs by default, making the compilation fail.
-    # This restores the behaviour of previous rust versions by making the lint throw a warning instead.
-    ./0002-allow-dangerous-implicit-autorefs.diff
-  ];
-
-  src = fetchFromGitHub {
-    owner = "tensorchord";
-    repo = "pgvecto.rs";
-    tag = "v${finalAttrs.version}";
-    hash = "sha256-X7BY2Exv0xQNhsS/GA7GNvj9OeVDqVCd/k3lUkXtfgE=";
-  };
-
-  cargoHash = "sha256-8otJ1uqGrCmlxAqvfAL3OjhBI4I6dAu6EoajstO46Sw=";
-
-  # Set appropriate version on vectors.control, otherwise it won't show up on PostgreSQL
-  postPatch = ''
-    substituteInPlace ./vectors.control --subst-var-by CARGO_VERSION ${finalAttrs.version}
-  '';
-
-  # Include upgrade scripts in the final package
-  # https://github.com/tensorchord/pgvecto.rs/blob/v0.2.0/scripts/ci_package.sh#L6-L8
-  postInstall = ''
-    cp sql/upgrade/* $out/share/postgresql/extension/
-  '';
-
-  env = {
-    # Needed to get openssl-sys to use pkg-config.
-    OPENSSL_NO_VENDOR = 1;
-
-    # Bypass rust nightly features not being available on rust stable
-    RUSTC_BOOTSTRAP = 1;
-  };
-
-  # This crate does not have the "pg_test" feature
-  usePgTestCheckFeature = false;
-
-  passthru = {
-    updateScript = nix-update-script { };
-    tests.extension = postgresqlTestExtension {
-      inherit (finalAttrs) finalPackage;
-      postgresqlExtraSettings = ''
-        shared_preload_libraries='vectors'
-      '';
-      sql = ''
-        CREATE EXTENSION vectors;
-
-        CREATE TABLE items (
-          id bigserial PRIMARY KEY,
-          content text NOT NULL,
-          embedding vectors.vector(3) NOT NULL -- 3 dimensions
-        );
-
-        INSERT INTO items (content, embedding) VALUES
-          ('a fat cat sat on a mat and ate a fat rat', '[1, 2, 3]'),
-          ('a fat dog sat on a mat and ate a fat rat', '[4, 5, 6]'),
-          ('a thin cat sat on a mat and ate a thin rat', '[7, 8, 9]'),
-          ('a thin dog sat on a mat and ate a thin rat', '[10, 11, 12]');
-      '';
-      asserts = [
-        {
-          query = "SELECT default_version FROM pg_available_extensions WHERE name = 'vectors'";
-          expected = "'${finalAttrs.version}'";
-          description = "Extension vectors has correct version.";
-        }
-        {
-          query = "SELECT COUNT(embedding) FROM items WHERE to_tsvector('english', content) @@ 'cat & rat'::tsquery";
-          expected = "2";
-          description = "Stores and returns vectors.";
-        }
-      ];
-    };
-  };
-
-  meta = {
-    # Upstream removed support for PostgreSQL 13 on 0.3.0: https://github.com/tensorchord/pgvecto.rs/issues/343
-    broken =
-      (lib.versionOlder postgresql.version "14")
-      ||
-        # PostgreSQL 17 support issue upstream: https://github.com/tensorchord/pgvecto.rs/issues/607
-        # Check after next package update.
-        lib.versionAtLeast postgresql.version "17" && finalAttrs.version == "0.3.0";
-    description = "Scalable, Low-latency and Hybrid-enabled Vector Search in Postgres";
-    homepage = "https://github.com/tensorchord/pgvecto.rs";
-    license = lib.licenses.asl20;
-    maintainers = with lib.maintainers; [
-      diogotcorreia
-      esclear
-    ];
-  };
-})