diff --git a/ns1/config.go b/ns1/config.go
index b7792000..4343edc1 100644
--- a/ns1/config.go
+++ b/ns1/config.go
@@ -29,7 +29,6 @@ type Config struct {
 	Key                  string
 	Endpoint             string
 	IgnoreSSL            bool
-	EnableDDI            bool
 	RateLimitParallelism int
 	RetryMax             int
 	UserAgent            string
@@ -69,10 +68,6 @@ func (c *Config) Client() (*ns1.Client, error) {
 		httpClient.Transport = tr
 	}
 
-	if c.EnableDDI {
-		decos = append(decos, ns1.SetDDIAPI())
-	}
-
 	// If NS1_DEBUG is set, define custom Doer to log HTTP requests made by SDK
 	if os.Getenv("NS1_DEBUG") != "" {
 		doer := ns1.Decorate(httpClient, Logging())
diff --git a/ns1/provider.go b/ns1/provider.go
index 953ec3ed..63405db6 100644
--- a/ns1/provider.go
+++ b/ns1/provider.go
@@ -30,12 +30,6 @@ func Provider() *schema.Provider {
 				DefaultFunc: schema.EnvDefaultFunc("NS1_IGNORE_SSL", nil),
 				Description: descriptions["ignore_ssl"],
 			},
-			"enable_ddi": {
-				Type:        schema.TypeBool,
-				Optional:    true,
-				DefaultFunc: schema.EnvDefaultFunc("NS1_ENABLE_DDI", nil),
-				Description: descriptions["enable_ddi"],
-			},
 			"rate_limit_parallelism": {
 				Type:        schema.TypeInt,
 				Optional:    true,
@@ -108,9 +102,6 @@ func ns1Configure(d *schema.ResourceData) (interface{}, error) {
 	if v, ok := d.GetOk("ignore_ssl"); ok {
 		config.IgnoreSSL = v.(bool)
 	}
-	if v, ok := d.GetOk("enable_ddi"); ok {
-		config.EnableDDI = v.(bool)
-	}
 	if v, ok := d.GetOk("rate_limit_parallelism"); ok {
 		config.RateLimitParallelism = v.(int)
 	}
@@ -134,7 +125,6 @@ func init() {
 		"rate_limit_parallelism": "Tune response to rate limits, see docs",
 		"retry_max":              "Maximum retries for 50x errors (-1 to disable)",
 		"user_agent":             "User-Agent string to use in NS1 API requests",
-		"enable_ddi":             "Deprecated, no longer in use",
 	}
 
 	structs.DefaultTagName = "json"