diff --git a/conn_test.go b/conn_test.go
index f719a4456..d2648a751 100644
--- a/conn_test.go
+++ b/conn_test.go
@@ -197,15 +197,14 @@ localhost:*:*:*:pass_C
 
 	assertPassword := func(extra values, expected string) {
 		o := values{
-			"host":               "localhost",
-			"sslmode":            "disable",
-			"connect_timeout":    "20",
-			"user":               "majid",
-			"port":               "5432",
-			"extra_float_digits": "2",
-			"dbname":             "pqgotest",
-			"client_encoding":    "UTF8",
-			"datestyle":          "ISO, MDY",
+			"host":            "localhost",
+			"sslmode":         "disable",
+			"connect_timeout": "20",
+			"user":            "majid",
+			"port":            "5432",
+			"dbname":          "pqgotest",
+			"client_encoding": "UTF8",
+			"datestyle":       "ISO, MDY",
 		}
 		for k, v := range extra {
 			o[k] = v
diff --git a/connector.go b/connector.go
index 1145e1225..b15325e86 100644
--- a/connector.go
+++ b/connector.go
@@ -55,9 +55,6 @@ func NewConnector(dsn string) (*Connector, error) {
 	// * Explicitly passed connection information
 	o["host"] = "localhost"
 	o["port"] = "5432"
-	// N.B.: Extra float digits should be set to 3, but that breaks
-	// Postgres 8.4 and older, where the max is 2.
-	o["extra_float_digits"] = "2"
 	for k, v := range parseEnviron(os.Environ()) {
 		o[k] = v
 	}