diff --git a/caddy2/php7.4-debian/Dockerfile b/caddy2/php7.4-debian/Dockerfile
index d1c1193..7ae249e 100644
--- a/caddy2/php7.4-debian/Dockerfile
+++ b/caddy2/php7.4-debian/Dockerfile
@@ -21,10 +21,11 @@ ENV PHP_EXTENSIONS \
 ENV PECL_EXTENSIONS \
     redis
 
-RUN apt-get install -y libzip libxslt curl zip unzip
+RUN apt-get install -y curl zip unzip
 RUN pecl install $PECL_EXTENSIONS \
     && docker-php-ext-install -j "$(nproc)" $PHP_EXTENSIONS \
-    && docker-php-ext-enable $PECL_EXTENSIONS
+    && docker-php-ext-enable $PECL_EXTENSIONS \
+    && docker-php-source delete
 
 COPY --from=caddy /config /config
 COPY --from=caddy /data /data