diff --git a/halo2_gadgets/Cargo.toml b/halo2_gadgets/Cargo.toml
index 09ab4efc84..9508567603 100644
--- a/halo2_gadgets/Cargo.toml
+++ b/halo2_gadgets/Cargo.toml
@@ -49,6 +49,8 @@ pprof = { version = "0.8", features = ["criterion", "flamegraph"] } # MSRV 1.56
 bench = false
 
 [features]
+default = ["verifiable-encryption"]
+verifiable-encryption = []
 test-dev-graph = [
     "halo2_proofs/dev-graph",
     "plotters",
diff --git a/halo2_gadgets/src/utilities/lookup_range_check.rs b/halo2_gadgets/src/utilities/lookup_range_check.rs
index 26db3fd984..2e11ed798b 100644
--- a/halo2_gadgets/src/utilities/lookup_range_check.rs
+++ b/halo2_gadgets/src/utilities/lookup_range_check.rs
@@ -186,9 +186,10 @@ impl<F: PrimeFieldBits, const K: usize> LookupRangeCheckConfig<F, K> {
         config
     }
 
-    // Fill `table_idx` and `table_range_check_tag`.
-    // This is only used in testing for now, since the Sinsemilla chip provides a pre-loaded table
-    // in the Orchard context.
+    #[cfg(any(test, feature = "verifiable-encryption"))]
+    /// Fill `table_idx` and `table_range_check_tag`.
+    /// This is only used in testing for now, since the Sinsemilla chip provides a pre-loaded table
+    /// in the Orchard context.
     pub fn load(&self, layouter: &mut impl Layouter<F>) -> Result<(), Error> {
         layouter.assign_table(
             || "table_idx",