diff --git a/.travis.yml b/.travis.yml
index 920141cf..01429651 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -8,11 +8,11 @@ addons:
         packages:
             - libssl1.0.0
             - zsh
-            # - tcsh
-            # - mksh
-            # - busybox
+            - tcsh
+            - mksh
+            - busybox
             # - rc
-            # - socat
+            - socat
             - bc
 language: python
 install: tests/install.sh
diff --git a/tests/test.sh b/tests/test.sh
index 6fe9ade7..e2e69dc0 100755
--- a/tests/test.sh
+++ b/tests/test.sh
@@ -11,10 +11,6 @@ FAILED=0
 if test "$TRAVIS" = true ; then
 	export PATH="$HOME/opt/fish/bin:${PATH}"
 	export PATH="$PWD/tests/bot-ci/deps/rc:$PATH"
-	export PATH="$PWD/tests/bot-ci/deps/mksh:$PATH"
-	export PATH="$PWD/tests/bot-ci/deps/busybox:$PATH"
-	export PATH="$PWD/tests/bot-ci/deps/tcsh:$PATH"
-	export PATH="$PWD/tests/bot-ci/deps/socat:$PATH"
 
 	if test "$PYTHON_IMPLEMENTATION" = "CPython" ; then
 		export PATH="$HOME/opt/zsh-${PYTHON_MM}${USE_UCS2_PYTHON:+-ucs2}/bin:${PATH}"