diff --git a/.github/workflows/queries/common/ProductionOnly.qll b/.github/workflows/queries/common/ProductionOnly.qll
new file mode 100644
index 0000000..c51cb3a
--- /dev/null
+++ b/.github/workflows/queries/common/ProductionOnly.qll
@@ -0,0 +1,20 @@
+import rust
+
+predicate isTestOnly(Item i) {
+  exists(ConditionalCompilation cc |
+    cc.getItem() = i and
+    cc.getCfg().toString() = "test"
+  )
+}
+
+predicate hasTestAttribute(Item i) {
+  exists(Attribute a |
+    a.getItem() = i and
+    a.getName() = "test"
+  )
+}
+
+predicate isProductionCode(Item i) {
+  not isTestOnly(i) and
+  not hasTestAttribute(i)
+}
diff --git a/.github/workflows/queries/qlpack.yml b/.github/workflows/queries/qlpack.yml
new file mode 100644
index 0000000..c9da5ba
--- /dev/null
+++ b/.github/workflows/queries/qlpack.yml
@@ -0,0 +1,4 @@
+name: rust-production-only
+version: 0.0.1
+dependencies:
+  codeql/rust-all: "*"