diff --git a/mysql/provider.go b/mysql/provider.go
index 256b6e617..8673360c9 100644
--- a/mysql/provider.go
+++ b/mysql/provider.go
@@ -63,10 +63,7 @@ func Provider() terraform.ResourceProvider {
 			"proxy": {
 				Type:     schema.TypeString,
 				Optional: true,
-				DefaultFunc: schema.MultiEnvDefaultFunc([]string{
-					"ALL_PROXY",
-					"all_proxy",
-				}, nil),
+				Default: nil,
 				ValidateFunc: validation.StringMatch(regexp.MustCompile("^socks5h?://.*:\\d+$"), "The proxy URL is not a valid socks url."),
 			},