diff --git a/native/src/seal/evaluator.cpp b/native/src/seal/evaluator.cpp
index 25f4568b..841b45e0 100644
--- a/native/src/seal/evaluator.cpp
+++ b/native/src/seal/evaluator.cpp
@@ -680,7 +680,7 @@ namespace seal
         inverse_ntt_negacyclic_harvey(encrypted1, encrypted1.size(), ntt_table);
     }
 
-    void Evaluator::square_inplace(Ciphertext &encrypted, MemoryPoolHandle pool)
+    void Evaluator::square_inplace(Ciphertext &encrypted, MemoryPoolHandle pool) const
     {
         // Verify parameters.
         if (!is_metadata_valid_for(encrypted, context_) || !is_buffer_valid(encrypted))
@@ -931,7 +931,7 @@ namespace seal
         encrypted.scale() = new_scale;
     }
 
-    void Evaluator::bgv_square(Ciphertext &encrypted, MemoryPoolHandle pool)
+    void Evaluator::bgv_square(Ciphertext &encrypted, MemoryPoolHandle pool) const
     {
         if (encrypted.is_ntt_form())
         {
diff --git a/native/src/seal/util/polyarithsmallmod.h b/native/src/seal/util/polyarithsmallmod.h
index 16be6084..d0fef603 100644
--- a/native/src/seal/util/polyarithsmallmod.h
+++ b/native/src/seal/util/polyarithsmallmod.h
@@ -159,7 +159,7 @@ namespace seal
             });
         }
 
-        inline void add_poly_coeffmod(
+        void add_poly_coeffmod(
             ConstCoeffIter operand1, ConstCoeffIter operand2, std::size_t coeff_count, const Modulus &modulus,
             CoeffIter result);