diff --git a/connection.go b/connection.go
index 9b938b6..ed15ba3 100644
--- a/connection.go
+++ b/connection.go
@@ -3,7 +3,6 @@ package telnet
 import (
 	"fmt"
 	"net"
-	"time"
 )
 
 // Negotiator defines the requirements for a telnet option handler.
@@ -204,9 +203,7 @@ func (c *Connection) fill(requestedBytes int) error {
 		c.buf = buf
 	}
 
-	c.SetReadDeadline(time.Now().Add(time.Microsecond))
 	nn, err := c.Conn.Read(c.buf[c.w:])
-	c.SetReadDeadline(time.Time{})
 	c.w += nn
 	return err
 }
diff --git a/go.mod b/go.mod
new file mode 100644
index 0000000..e2d2b11
--- /dev/null
+++ b/go.mod
@@ -0,0 +1,5 @@
+module github.com/aprice/telnet
+
+go 1.16
+
+require golang.org/x/crypto v0.0.0-20210218145215-b8e89b74b9df
diff --git a/go.sum b/go.sum
new file mode 100644
index 0000000..4fca3f8
--- /dev/null
+++ b/go.sum
@@ -0,0 +1,10 @@
+golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
+golang.org/x/crypto v0.0.0-20210218145215-b8e89b74b9df h1:y7QZzfUiTwWam+xBn29Ulb8CBwVN5UdzmMDavl9Whlw=
+golang.org/x/crypto v0.0.0-20210218145215-b8e89b74b9df/go.mod h1:jdWPYTVW3xRLrWPugEBEK3UY2ZEsg3UU495nc5E+M+I=
+golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
+golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037 h1:YyJpGZS1sBuBCzLAR1VEpK193GlqGZbnPFnPV/5Rsb4=
+golang.org/x/sys v0.0.0-20191026070338-33540a1f6037/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/term v0.0.0-20201117132131-f5c789dd3221 h1:/ZHdbVpdR/jk3g30/d4yUL0JU9kksj8+F/bnQUVLGDM=
+golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
+golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=