diff --git a/Cargo.toml b/Cargo.toml
index 6e0b6760..b7d17757 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -23,3 +23,9 @@ members = [
     "tests/sqlx",
 ]
 default-members = ["tests/sqlx"]
+
+# Dead code is a hard error. Note: rustc exempts unused `pub` items in a lib, so
+# don't `pub` a test-support item unless an integration test consumes it.
+[workspace.lints.rust]
+dead_code = "deny"
+unused_imports = "deny"
diff --git a/crates/eql-codegen/Cargo.toml b/crates/eql-codegen/Cargo.toml
index 25165397..113be53a 100644
--- a/crates/eql-codegen/Cargo.toml
+++ b/crates/eql-codegen/Cargo.toml
@@ -16,3 +16,6 @@ path = "src/main.rs"
 [lib]
 name = "eql_codegen"
 path = "src/lib.rs"
+
+[lints]
+workspace = true
diff --git a/crates/eql-scalars/Cargo.toml b/crates/eql-scalars/Cargo.toml
index 093b1a12..ca9e5341 100644
--- a/crates/eql-scalars/Cargo.toml
+++ b/crates/eql-scalars/Cargo.toml
@@ -8,3 +8,6 @@ description = "Scalar/term catalog for EQL encrypted-domain codegen (std-only, n
 # generator (eql-codegen) compiles in ~1-2s and never drags serde/toml onto the
 # SQL build's critical path. Do not add deps here.
 [dependencies]
+
+[lints]
+workspace = true
diff --git a/crates/eql-tests-macros/Cargo.toml b/crates/eql-tests-macros/Cargo.toml
index cc92e04c..6cad3d7e 100644
--- a/crates/eql-tests-macros/Cargo.toml
+++ b/crates/eql-tests-macros/Cargo.toml
@@ -12,3 +12,6 @@ syn = { version = "2", features = ["full"] }
 quote = "1"
 proc-macro2 = "1"
 eql-scalars = { path = "../eql-scalars" }
+
+[lints]
+workspace = true
diff --git a/tests/sqlx/Cargo.toml b/tests/sqlx/Cargo.toml
index e67941c1..fbdd9506 100644
--- a/tests/sqlx/Cargo.toml
+++ b/tests/sqlx/Cargo.toml
@@ -23,6 +23,9 @@ eql-tests-macros = { path = "../../crates/eql-tests-macros" }
 [dev-dependencies]
 # None needed - tests live in this crate
 
+[lints]
+workspace = true
+
 [features]
 default = []
 # Opt-in to slow benchmark / regression / scale tests. Without this feature
diff --git a/tests/sqlx/src/index_types.rs b/tests/sqlx/src/index_types.rs
deleted file mode 100644
index 26603b3c..00000000
--- a/tests/sqlx/src/index_types.rs
+++ /dev/null
@@ -1,21 +0,0 @@
-//! Index type constants for EQL tests
-//!
-//! Prevents typos in index type strings across test files
-
-/// HMAC-256 index type
-pub const HMAC: &str = "hm";
-
-/// Blake3 index type
-pub const BLAKE3: &str = "b3";
-
-/// ORE 64-bit index type
-pub const ORE64: &str = "ore64";
-
-/// ORE CLLW U64 8-byte index type
-pub const ORE_CLLW_U64_8: &str = "ore_cllw_u64_8";
-
-/// ORE CLLW Variable 8-byte index type
-pub const ORE_CLLW_VAR_8: &str = "ore_cllw_var_8";
-
-/// ORE Block U64 8-byte 256-bit index type
-pub const ORE_BLOCK_U64_8_256: &str = "ore_block_u64_8_256";
diff --git a/tests/sqlx/src/lib.rs b/tests/sqlx/src/lib.rs
index 4386222b..47196030 100644
--- a/tests/sqlx/src/lib.rs
+++ b/tests/sqlx/src/lib.rs
@@ -7,7 +7,6 @@ use sqlx::PgPool;
 pub mod assertions;
 pub mod fixtures;
 pub mod helpers;
-pub mod index_types;
 pub mod matrix;
 pub mod scalar_domains;
 #[macro_use]
@@ -37,7 +36,6 @@ pub use helpers::{
     read_pg_stat_statements, reset_pg_stat_statements, ExplainStats, PgStatEntry,
     PLACEHOLDER_PAYLOAD,
 };
-pub use index_types as IndexTypes;
 pub use scalar_domains::{
     assert_null, assert_raises, assert_scalar_plaintexts, blocker_msg, commute_op,
     fetch_fixture_payload, sql_string_literal, ScalarDomainSpec, ScalarType, Variant,