diff --git a/debian/buster/Dockerfile b/debian/buster/Dockerfile
index eb8ababcc796787d3b792bc7c60293ca6f72feb4..de270f63ba0bff0c72a95e576da5c370409fa4a4 100644
--- a/debian/buster/Dockerfile
+++ b/debian/buster/Dockerfile
@@ -6,19 +6,11 @@ LABEL version="1.0"
 RUN echo "deb http://security.debian.org/ buster/updates main" >> /etc/apt/sources.list
 
 RUN apt-get update \
-    && apt-get -yqqf --no-install-recommends install \
+    && apt-get -y --no-install-recommends install \
         apt-transport-https \
         lsb-release \
         ca-certificates \
         curl \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN curl -ssL -o /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
-RUN echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list
-
-RUN apt-get update \
-    && apt-get -y --no-install-recommends install \
         git \
         dh-make \
         build-essential \
diff --git a/debian/jessie/Dockerfile b/debian/jessie/Dockerfile
index 803548632b3d04c755daf5d721f7993cff32ed21..b743cb003e79a7429b9f74050d579c6e76bc0003 100644
--- a/debian/jessie/Dockerfile
+++ b/debian/jessie/Dockerfile
@@ -6,19 +6,11 @@ LABEL version="1.0"
 RUN echo "deb http://security.debian.org/ jessie/updates main" >> /etc/apt/sources.list
 
 RUN apt-get update \
-    && apt-get -yqqf --no-install-recommends install \
+    && apt-get -y --no-install-recommends install \
         apt-transport-https \
         lsb-release \
         ca-certificates \
         curl \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN curl -ssL -o /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
-RUN echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list
-
-RUN apt-get update \
-    && apt-get -y --no-install-recommends install \
         git \
         dh-make \
         build-essential \
diff --git a/debian/stretch/Dockerfile b/debian/stretch/Dockerfile
index c98a98ec7110a0167c166d5fe4d203ef5223bb11..2852ca11e8093967fc55162cf778a31f693f67bb 100644
--- a/debian/stretch/Dockerfile
+++ b/debian/stretch/Dockerfile
@@ -6,19 +6,11 @@ LABEL version="1.0"
 RUN echo "deb http://security.debian.org/ stretch/updates main" >> /etc/apt/sources.list
 
 RUN apt-get update \
-    && apt-get -yqqf --no-install-recommends install \
+    && apt-get -y --no-install-recommends install \
         apt-transport-https \
         lsb-release \
         ca-certificates \
         curl \
-    && apt-get clean \
-    && rm -rf /var/lib/apt/lists/*
-
-RUN curl -ssL -o /etc/apt/trusted.gpg.d/php.gpg https://packages.sury.org/php/apt.gpg
-RUN echo "deb https://packages.sury.org/php/ $(lsb_release -sc) main" > /etc/apt/sources.list.d/php.list
-
-RUN apt-get update \
-    && apt-get -y --no-install-recommends install \
         git \
         dh-make \
         build-essential \