diff --git a/agent_test.go b/agent_test.go
index a360ef3..000a49e 100644
--- a/agent_test.go
+++ b/agent_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/candidate_relay_test.go b/candidate_relay_test.go
index 74464d4..e750935 100644
--- a/candidate_relay_test.go
+++ b/candidate_relay_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/candidate_server_reflexive_test.go b/candidate_server_reflexive_test.go
index 8185a1d..18cc3f2 100644
--- a/candidate_server_reflexive_test.go
+++ b/candidate_server_reflexive_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/connectivity_vnet_test.go b/connectivity_vnet_test.go
index 815817f..4a76d77 100644
--- a/connectivity_vnet_test.go
+++ b/connectivity_vnet_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/gather_test.go b/gather_test.go
index 8e2d241..2bd0831 100644
--- a/gather_test.go
+++ b/gather_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/gather_vnet_test.go b/gather_vnet_test.go
index 577e22d..6ad9678 100644
--- a/gather_vnet_test.go
+++ b/gather_vnet_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/mdns_test.go b/mdns_test.go
index 09542ee..3d365e3 100644
--- a/mdns_test.go
+++ b/mdns_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (
diff --git a/transport_test.go b/transport_test.go
index 272255e..5358ca0 100644
--- a/transport_test.go
+++ b/transport_test.go
@@ -1,3 +1,5 @@
+// +build !js
+
 package ice
 
 import (