diff --git a/.travis.yml b/.travis.yml
index 76428e67..b09b5035 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -16,8 +16,8 @@ matrix:
     - php: 7.3
 
 before_install:
-  - phpenv config-add data/infra/travis-php/memcached.ini
-  - phpenv config-add data/infra/travis-php/apcu.ini
+  - echo 'extension = memcached.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
+  - echo 'extension = apcu.so' >> ~/.phpenv/versions/$(phpenv version-name)/etc/php.ini
 
 install:
   - composer self-update
diff --git a/data/infra/travis-php/apcu.ini b/data/infra/travis-php/apcu.ini
deleted file mode 100644
index 4a2dd79a..00000000
--- a/data/infra/travis-php/apcu.ini
+++ /dev/null
@@ -1 +0,0 @@
-extension="apcu.so"
diff --git a/data/infra/travis-php/memcached.ini b/data/infra/travis-php/memcached.ini
deleted file mode 100644
index 6b9b24f3..00000000
--- a/data/infra/travis-php/memcached.ini
+++ /dev/null
@@ -1 +0,0 @@
-extension="memcached.so"