diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/barretenberg.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/barretenberg.hpp
index 694b73d16e3..329f31bb1ca 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/barretenberg.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/barretenberg.hpp
@@ -3,6 +3,7 @@
 // External Barretenberg C++ API
 #include "common/container.hpp"
 #include "common/map.hpp"
+#include "common/mem.hpp"
 #include "common/serialize.hpp"
 #include "common/streams.hpp"
 #include "common/throw_or_abort.hpp"
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.cpp
index c5c648ba9b6..d119eaf24a4 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.cpp
@@ -2,8 +2,6 @@
 #include "./slab_allocator.hpp"
 #include "./wasm_export.hpp"
 
-extern "C" {
-
 WASM_EXPORT void* bbmalloc(size_t size)
 {
     return barretenberg::get_mem_slab_raw(size);
@@ -13,4 +11,3 @@ WASM_EXPORT void bbfree(void* ptr)
 {
     barretenberg::free_mem_slab_raw(ptr);
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.hpp
index 7fc94500f93..c42aa649a81 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/mem.hpp
@@ -1,6 +1,7 @@
 #pragma once
 #include "log.hpp"
 #include "memory.h"
+#include "wasm_export.hpp"
 #include <memory>
 #include <stdlib.h>
 // #include <malloc.h>
@@ -72,4 +73,7 @@ inline void aligned_free(void* mem)
 //     info("Total allocated space (uordblks): ", minfo.uordblks);
 //     info("Total free space (fordblks): ", minfo.fordblks);
 //     info("Top-most, releasable space (keepcost): ", minfo.keepcost);
-// }
\ No newline at end of file
+// }
+
+WASM_EXPORT void* bbmalloc(size_t size);
+WASM_EXPORT void bbfree(void* ptr);
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/wasm_export.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/wasm_export.hpp
index 7bbe9feb61e..f30c5946489 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/common/wasm_export.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/common/wasm_export.hpp
@@ -1,3 +1,4 @@
+#pragma once
 #ifdef __clang__
 #define WASM_EXPORT extern "C" __attribute__((visibility("default"))) __attribute__((annotate("wasm_export")))
 #define ASYNC_WASM_EXPORT                                                                                              \
@@ -5,4 +6,4 @@
 #else
 #define WASM_EXPORT extern "C" __attribute__((visibility("default")))
 #define ASYNC_WASM_EXPORT extern "C" __attribute__((visibility("default")))
-#endif
\ No newline at end of file
+#endif
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/aes128/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/aes128/c_bind.cpp
index 5524915f7f6..dee106779f2 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/aes128/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/aes128/c_bind.cpp
@@ -1,8 +1,5 @@
 #include "aes128.hpp"
-
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
+#include "barretenberg/common/wasm_export.hpp"
 
 WASM_EXPORT void aes__encrypt_buffer_cbc(uint8_t* in, uint8_t* iv, const uint8_t* key, const size_t length, uint8_t* r)
 {
@@ -19,4 +16,3 @@ WASM_EXPORT void aes__decrypt_buffer_cbc(uint8_t* in, uint8_t* iv, const uint8_t
         r[i] = in[i];
     }
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/blake3s/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/blake3s/c_bind.cpp
index f70e018391c..0b0e996d423 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/blake3s/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/blake3s/c_bind.cpp
@@ -1,10 +1,7 @@
 #include "barretenberg/ecc/curves/bn254/fr.hpp"
+#include "barretenberg/common/wasm_export.hpp"
 #include "blake3s.hpp"
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void blake3s_to_field(uint8_t const* data, size_t length, uint8_t* r)
 {
     std::vector<uint8_t> inputv(data, data + length);
@@ -12,4 +9,3 @@ WASM_EXPORT void blake3s_to_field(uint8_t const* data, size_t length, uint8_t* r
     auto result = barretenberg::fr::serialize_from_buffer(output.data());
     barretenberg::fr::serialize_to_buffer(result, r);
 }
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.cpp
index dbd33004f19..f2dfcceb56c 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.cpp
@@ -1,10 +1,6 @@
 #include "ecdsa.hpp"
 #include <barretenberg/ecc/curves/secp256k1/secp256k1.hpp>
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void ecdsa__compute_public_key(uint8_t const* private_key, uint8_t* public_key_buf)
 {
     auto priv_key = from_buffer<secp256k1::fr>(private_key);
@@ -67,4 +63,3 @@ WASM_EXPORT bool ecdsa__verify_signature(uint8_t const* message,
     return crypto::ecdsa::verify_signature<Sha256Hasher, secp256k1::fq, secp256k1::fr, secp256k1::g1>(
         std::string((char*)message, msg_len), pubk, sig);
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.h b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.h
index 897202a3727..1240b9aee7a 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.h
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/ecdsa/c_bind.h
@@ -1,8 +1,5 @@
 #include <ecc/curves/secp256k1/secp256k1.hpp>
-
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
+#include "barretenberg/common/wasm_export.hpp"
 
 WASM_EXPORT void ecdsa__compute_public_key(uint8_t const* private_key, uint8_t* public_key_buf);
 
@@ -26,4 +23,3 @@ WASM_EXPORT bool ecdsa__verify_signature(uint8_t const* message,
                                          uint8_t const* sig_r,
                                          uint8_t const* sig_s,
                                          uint8_t const* sig_v);
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.cpp
index 4ee21ff4acf..1a174cb64fd 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.cpp
@@ -5,9 +5,6 @@
 #include "barretenberg/common/timer.hpp"
 #include "pedersen.hpp"
 #include "pedersen_lookup.hpp"
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
 
 WASM_EXPORT void pedersen__init()
 {
@@ -100,4 +97,3 @@ WASM_EXPORT void pedersen__buffer_to_field(uint8_t const* data, size_t length, u
     auto output = crypto::pedersen_commitment::compress_native(to_compress);
     write(r, output);
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.hpp
index 571cd7936cf..26d5308df70 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/pedersen_commitment/c_bind.hpp
@@ -3,9 +3,6 @@
 #include "barretenberg/common/serialize.hpp"
 #include "barretenberg/common/streams.hpp"
 #include "barretenberg/common/timer.hpp"
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
 
 WASM_EXPORT void pedersen__init();
 
@@ -27,4 +24,3 @@ WASM_EXPORT void pedersen_plookup_commit_with_hash_index(uint8_t const* inputs_b
                                                          uint32_t hash_index);
 
 WASM_EXPORT void pedersen__buffer_to_field(uint8_t const* data, size_t length, uint8_t* r);
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/schnorr/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/schnorr/c_bind.cpp
index 220887fa2eb..ce31a6928a0 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/schnorr/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/schnorr/c_bind.cpp
@@ -3,10 +3,6 @@
 
 #include "barretenberg/ecc/curves/grumpkin/grumpkin.hpp"
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void compute_public_key(uint8_t const* private_key, uint8_t* public_key_buf)
 {
     auto priv_key = from_buffer<grumpkin::fr>(private_key);
@@ -137,4 +133,3 @@ WASM_EXPORT bool multisig_combine_signatures(uint8_t const* message,
         return false;
     }
 }
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/sha256/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/sha256/c_bind.cpp
index ae2c62aeffe..c13acaca124 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/sha256/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/crypto/sha256/c_bind.cpp
@@ -1,8 +1,5 @@
 #include "sha256.hpp"
-
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
+#include "barretenberg/common/wasm_export.hpp"
 
 WASM_EXPORT void sha256__hash(uint8_t* in, const size_t length, uint8_t* r)
 {
@@ -16,4 +13,3 @@ WASM_EXPORT void sha256__hash(uint8_t* in, const size_t length, uint8_t* r)
         r[i] = output[i];
     }
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/grumpkin/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/grumpkin/c_bind.cpp
index 73ece155fb7..0fed15bdbc8 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/grumpkin/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/grumpkin/c_bind.cpp
@@ -1,9 +1,6 @@
 // TODO: Delete this cbind once funcs working in root cbind of ecc module.
 #include "grumpkin.hpp"
-
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
+#include "barretenberg/common/wasm_export.hpp"
 
 WASM_EXPORT void ecc_grumpkin__mul(uint8_t const* point_buf, uint8_t const* scalar_buf, uint8_t* result)
 {
@@ -50,4 +47,3 @@ WASM_EXPORT void ecc_grumpkin__reduce512_buffer_mod_circuit_modulus(uint8_t* inp
     uint512_t target_output = bigint_input % barretenberg_modulus;
     write(result, target_output.lo);
 }
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.cpp
index 8f6d60f897d..8c4e612d847 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.cpp
@@ -1,9 +1,5 @@
 #include "secp256k1.hpp"
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void ecc_secp256k1__mul(uint8_t const* point_buf, uint8_t const* scalar_buf, uint8_t* result)
 {
     using serialize::write;
@@ -28,4 +24,3 @@ WASM_EXPORT void ecc_secp256k1__reduce512_buffer_mod_circuit_modulus(uint8_t* in
     uint512_t target_output = bigint_input % barretenberg_modulus;
     write(result, target_output.lo);
 }
-}
\ No newline at end of file
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.hpp
index b1b19832393..7b5024ab0e8 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/ecc/curves/secp256k1/c_bind.hpp
@@ -1,12 +1,7 @@
 #include "secp256k1.hpp"
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void ecc_secp256k1__mul(uint8_t const* point_buf, uint8_t const* scalar_buf, uint8_t* result);
 
 WASM_EXPORT void ecc_secp256k1__get_random_scalar_mod_circuit_modulus(uint8_t* result);
 
 WASM_EXPORT void ecc_secp256k1__reduce512_buffer_mod_circuit_modulus(uint8_t* input, uint8_t* result);
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.cpp
index b58734e7836..fcddcbfdb94 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.cpp
@@ -16,10 +16,6 @@
 using namespace barretenberg;
 using namespace join_split_example::proofs::join_split;
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT void join_split__init_proving_key(bool mock)
 {
     init_proving_key(barretenberg::srs::get_crs_factory(), mock);
@@ -100,4 +96,3 @@ WASM_EXPORT bool join_split__verify_proof(uint8_t* proof, uint32_t length)
     plonk::proof pp = { std::vector<uint8_t>(proof, proof + length) };
     return verify_proof(pp);
 }
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.h b/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.h
index d952c2af6c2..cd7390b1dad 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.h
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/join_split_example/proofs/join_split/c_bind.h
@@ -1,9 +1,3 @@
 #include <cstdint>
 
-#define WASM_EXPORT __attribute__((visibility("default")))
-
-extern "C" {
-
 WASM_EXPORT uint32_t join_split__get_new_proving_key_data(uint8_t** output);
-
-}
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/plonk/proof_system/prover/c_bind.cpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/plonk/proof_system/prover/c_bind.cpp
index 6d050a8d79d..18808d3a016 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/plonk/proof_system/prover/c_bind.cpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/plonk/proof_system/prover/c_bind.cpp
@@ -1,7 +1,5 @@
 #include "prover.hpp"
 
-#define WASM_EXPORT extern "C" __attribute__((visibility("default")))
-
 using namespace barretenberg;
 
 /**
diff --git a/circuits/cpp/barretenberg/cpp/src/barretenberg/serialize/cbind_fwd.hpp b/circuits/cpp/barretenberg/cpp/src/barretenberg/serialize/cbind_fwd.hpp
index ef5eee9204a..9c218cafff8 100644
--- a/circuits/cpp/barretenberg/cpp/src/barretenberg/serialize/cbind_fwd.hpp
+++ b/circuits/cpp/barretenberg/cpp/src/barretenberg/serialize/cbind_fwd.hpp
@@ -1,9 +1,9 @@
 #pragma once
 #include <string>
 #include <utility>
+#include "barretenberg/common/wasm_export.hpp"
 // CBIND forward declarations for msgback default bind format (encode as tuple of args and return value as msgpack
 // string)
-#define WASM_EXPORT extern "C" __attribute__((visibility("default")))
 
 #define CBIND_DECL(cname)                                                                                              \
     WASM_EXPORT void cname(                                                                                            \
diff --git a/circuits/cpp/src/aztec3/circuits/abis/c_bind.cpp b/circuits/cpp/src/aztec3/circuits/abis/c_bind.cpp
index 566acf88f84..36c618d3dd9 100644
--- a/circuits/cpp/src/aztec3/circuits/abis/c_bind.cpp
+++ b/circuits/cpp/src/aztec3/circuits/abis/c_bind.cpp
@@ -77,14 +77,6 @@ template <size_t TREE_HEIGHT> void rightfill_with_zeroleaves(std::vector<NT::fr>
 
 }  // namespace
 
-// Note: We don't have a simple way of calling the barretenberg c-bind.
-// Mimic bbmalloc behaviour.
-static void* bbmalloc(size_t size)
-{
-    auto* ptr = aligned_alloc(64, size);
-    return ptr;
-}
-
 /** Copy this string to a bbmalloc'd buffer */
 static const char* bbmalloc_copy_string(const char* data, size_t len)
 {