diff --git a/.travis.yml b/.travis.yml
index ff85ac772..2442f0e9a 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -7,7 +7,6 @@ matrix:
     - go: 1.10.x
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
@@ -22,7 +21,6 @@ matrix:
       env: GO111MODULE=off
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
@@ -37,7 +35,6 @@ matrix:
       env: GO111MODULE=off
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
@@ -45,7 +42,6 @@ matrix:
     - go: 1.10.x
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
@@ -60,7 +56,6 @@ matrix:
       env: GO111MODULE=off
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
@@ -75,7 +70,6 @@ matrix:
       env: GO111MODULE=off
       install:
         - go get github.com/stretchr/testify/assert
-        - go get golang.org/x/crypto/ssh/terminal
         - go get golang.org/x/sys/unix
         - go get golang.org/x/sys/windows
       script:
diff --git a/go.mod b/go.mod
index 94574cc63..8261a2b3a 100644
--- a/go.mod
+++ b/go.mod
@@ -6,6 +6,5 @@ require (
 	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/stretchr/objx v0.1.1 // indirect
 	github.com/stretchr/testify v1.2.2
-	golang.org/x/crypto v0.0.0-20180904163835-0709b304e793
 	golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33
 )
diff --git a/go.sum b/go.sum
index 133d34ae1..2d787be60 100644
--- a/go.sum
+++ b/go.sum
@@ -9,7 +9,5 @@ github.com/stretchr/objx v0.1.1 h1:2vfRuCMp5sSVIDSqO8oNnWJq7mPa6KVP3iPIwFBuy8A=
 github.com/stretchr/objx v0.1.1/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/testify v1.2.2 h1:bSDNvY7ZPG5RlJ8otE/7V6gMiyenm9RtJ7IUVIAoJ1w=
 github.com/stretchr/testify v1.2.2/go.mod h1:a8OnRcib4nhh0OaRAV+Yts87kKdq0PP7pXfy6kDkUVs=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793 h1:u+LnwYTOOW7Ukr/fppxEb1Nwz0AtPflrblfvUudpo+I=
-golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33 h1:I6FyU15t786LL7oL/hn43zqTuEGr4PN7F4XJ1p4E3Y8=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/internal/terminal/terminal_check_bsd.go b/internal/terminal/terminal_check_bsd.go
new file mode 100644
index 000000000..6a47df6d4
--- /dev/null
+++ b/internal/terminal/terminal_check_bsd.go
@@ -0,0 +1,13 @@
+// +build darwin dragonfly freebsd netbsd openbsd
+
+package terminal
+
+import "golang.org/x/sys/unix"
+
+const ioctlReadTermios = unix.TIOCGETA
+
+func IsTerminal(fd int) bool {
+	_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	return err == nil
+}
+
diff --git a/internal/terminal/terminal_check_unix.go b/internal/terminal/terminal_check_unix.go
new file mode 100644
index 000000000..f30ea8784
--- /dev/null
+++ b/internal/terminal/terminal_check_unix.go
@@ -0,0 +1,13 @@
+// +build linux aix
+
+package terminal
+
+import "golang.org/x/sys/unix"
+
+const ioctlReadTermios = unix.TCGETS
+
+func IsTerminal(fd int) bool {
+	_, err := unix.IoctlGetTermios(fd, ioctlReadTermios)
+	return err == nil
+}
+
diff --git a/terminal_check_aix.go b/terminal_check_aix.go
deleted file mode 100644
index 04fdb7ba3..000000000
--- a/terminal_check_aix.go
+++ /dev/null
@@ -1,9 +0,0 @@
-// +build !appengine,!js,!windows,aix
-
-package logrus
-
-import "io"
-
-func checkIfTerminal(w io.Writer) bool {
-	return false
-}
diff --git a/terminal_check_notappengine.go b/terminal_check_notappengine.go
index d46556509..6f28f89f5 100644
--- a/terminal_check_notappengine.go
+++ b/terminal_check_notappengine.go
@@ -1,4 +1,4 @@
-// +build !appengine,!js,!windows,!aix
+// +build !appengine,!js,!windows
 
 package logrus
 
@@ -6,7 +6,7 @@ import (
 	"io"
 	"os"
 
-	"golang.org/x/crypto/ssh/terminal"
+	"github.com/sirupsen/logrus/internal/terminal"
 )
 
 func checkIfTerminal(w io.Writer) bool {