diff --git a/Dockerfile-unit.template b/Dockerfile-unit.template
index 0a54952e..0095b351 100644
--- a/Dockerfile-unit.template
+++ b/Dockerfile-unit.template
@@ -51,13 +51,11 @@ RUN set -ex; \
     ; \
     \
     debMultiarch="$(dpkg-architecture --query DEB_BUILD_MULTIARCH)"; \
-    docker-php-ext-configure ftp --with-openssl-dir=/usr; \
     docker-php-ext-configure gd --with-freetype --with-jpeg --with-webp; \
     docker-php-ext-configure ldap --with-libdir="lib/$debMultiarch"; \
     docker-php-ext-install -j "$(nproc)" \
         bcmath \
         exif \
-        ftp \
         gd \
         gmp \
         intl \