diff --git a/compiler/tests-check-prim/main.output b/compiler/tests-check-prim/main.output
index 52e2ae1dea..9dc29eed98 100644
--- a/compiler/tests-check-prim/main.output
+++ b/compiler/tests-check-prim/main.output
@@ -34,22 +34,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_atomic_cas
-caml_atomic_exchange
-caml_atomic_fetch_add
-caml_atomic_load
-caml_domain_dls
-caml_domain_dls_get
-caml_domain_dls_set
-caml_domain_id
-caml_domain_spawn
-caml_ml_domain_cpu_relax
-caml_ml_domain_id
-caml_ml_domain_set_name
-caml_ml_domain_unique_token
-caml_recommended_domain_count
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/compiler/tests-check-prim/main.output5 b/compiler/tests-check-prim/main.output5
index 5508398b53..3820c1272b 100644
--- a/compiler/tests-check-prim/main.output5
+++ b/compiler/tests-check-prim/main.output5
@@ -27,9 +27,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_ml_domain_set_name
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/compiler/tests-check-prim/unix-unix.output b/compiler/tests-check-prim/unix-unix.output
index b50df69614..a647b67cf2 100644
--- a/compiler/tests-check-prim/unix-unix.output
+++ b/compiler/tests-check-prim/unix-unix.output
@@ -143,22 +143,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_atomic_cas
-caml_atomic_exchange
-caml_atomic_fetch_add
-caml_atomic_load
-caml_domain_dls
-caml_domain_dls_get
-caml_domain_dls_set
-caml_domain_id
-caml_domain_spawn
-caml_ml_domain_cpu_relax
-caml_ml_domain_id
-caml_ml_domain_set_name
-caml_ml_domain_unique_token
-caml_recommended_domain_count
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/compiler/tests-check-prim/unix-unix.output5 b/compiler/tests-check-prim/unix-unix.output5
index 0c8f1ef23a..e0b77c8dff 100644
--- a/compiler/tests-check-prim/unix-unix.output5
+++ b/compiler/tests-check-prim/unix-unix.output5
@@ -138,9 +138,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_ml_domain_set_name
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/compiler/tests-check-prim/unix-win32.output b/compiler/tests-check-prim/unix-win32.output
index ad9aff0522..bad80e88a1 100644
--- a/compiler/tests-check-prim/unix-win32.output
+++ b/compiler/tests-check-prim/unix-win32.output
@@ -108,23 +108,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_atomic_cas
-caml_atomic_exchange
-caml_atomic_fetch_add
-caml_atomic_load
-caml_atomic_make_contended
-caml_domain_dls
-caml_domain_dls_get
-caml_domain_dls_set
-caml_domain_id
-caml_domain_spawn
-caml_ml_domain_cpu_relax
-caml_ml_domain_id
-caml_ml_domain_set_name
-caml_ml_domain_unique_token
-caml_recommended_domain_count
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/compiler/tests-check-prim/unix-win32.output5 b/compiler/tests-check-prim/unix-win32.output5
index a546ef866f..a405364914 100644
--- a/compiler/tests-check-prim/unix-win32.output5
+++ b/compiler/tests-check-prim/unix-win32.output5
@@ -104,9 +104,6 @@ caml_bigstring_blit_string_to_ba
 caml_bigstring_memcmp
 caml_hash_mix_bigstring
 
-From +domain.js:
-caml_ml_domain_set_name
-
 From +dynlink.js:
 caml_add_debug_info
 caml_register_code_fragment
diff --git a/runtime/js/domain.js b/runtime/js/domain.js
index 6d79fa38bd..e2808c3063 100644
--- a/runtime/js/domain.js
+++ b/runtime/js/domain.js
@@ -1,8 +1,10 @@
 //Provides: caml_domain_dls
+//Version: >= 5
 var caml_domain_dls = [0];
 
 //Provides: caml_domain_dls_set
 //Requires: caml_domain_dls
+//Version: >= 5
 function caml_domain_dls_set(a) {
   caml_domain_dls = a;
 }
@@ -18,16 +20,19 @@ function caml_domain_dls_compare_and_set(old, n) {
 
 //Provides: caml_domain_dls_get
 //Requires: caml_domain_dls
+//Version: >= 5
 function caml_domain_dls_get(unit) {
   return caml_domain_dls;
 }
 
 //Provides: caml_atomic_load
+//Version: >= 5
 function caml_atomic_load(ref) {
   return ref[1];
 }
 
 //Provides: caml_atomic_cas
+//Version: >= 5
 function caml_atomic_cas(ref, o, n) {
   if (ref[1] === o) {
     ref[1] = n;
@@ -37,6 +42,7 @@ function caml_atomic_cas(ref, o, n) {
 }
 
 //Provides: caml_atomic_fetch_add
+//Version: >= 5
 function caml_atomic_fetch_add(ref, i) {
   var old = ref[1];
   ref[1] += i;
@@ -44,6 +50,7 @@ function caml_atomic_fetch_add(ref, i) {
 }
 
 //Provides: caml_atomic_exchange
+//Version: >= 5
 function caml_atomic_exchange(ref, v) {
   var r = ref[1];
   ref[1] = v;
@@ -57,18 +64,14 @@ function caml_atomic_make_contended(a) {
 }
 
 //Provides: caml_ml_domain_unique_token
-//Version: < 5.2
+//Version: >= 5.0, < 5.2
 var caml_ml_domain_unique_token_ = [0];
 function caml_ml_domain_unique_token(unit) {
   return caml_ml_domain_unique_token_;
 }
 
-//Provides: caml_ml_domain_set_name
-function caml_ml_domain_set_name(_name) {
-  return 0;
-}
-
 //Provides: caml_recommended_domain_count
+//Version: >= 5
 function caml_recommended_domain_count(unit) {
   return 1;
 }
@@ -81,6 +84,7 @@ function caml_ml_domain_index(unit) {
 }
 
 //Provides: caml_domain_id
+//Version: >= 5
 var caml_domain_id = 0;
 
 //Provides: caml_domain_spawn
@@ -105,7 +109,7 @@ function caml_domain_spawn(f, term_sync) {
 //Requires: caml_ml_mutex_unlock
 //Requires: caml_domain_id
 //Requires: caml_callback
-//Version: < 5.2
+//Version: >= 5.0, < 5.2
 var caml_domain_latest_idx = 1;
 function caml_domain_spawn(f, mutex) {
   var id = caml_domain_latest_idx++;
@@ -119,11 +123,13 @@ function caml_domain_spawn(f, mutex) {
 
 //Provides: caml_ml_domain_id
 //Requires: caml_domain_id
+//Version: >= 5.0
 function caml_ml_domain_id(unit) {
   return caml_domain_id;
 }
 
 //Provides: caml_ml_domain_cpu_relax
+//Version: >= 5
 function caml_ml_domain_cpu_relax(unit) {
   return 0;
 }