diff --git a/daemons/Dockerfile b/daemons/Dockerfile
index 8c45d85..9a1c12e 100644
--- a/daemons/Dockerfile
+++ b/daemons/Dockerfile
@@ -34,18 +34,6 @@ RUN dnf install -y epel-release.noarch && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
-# cx_oracle requires `gcc` and Python headers, not present by default on arm64
-ARG TARGETARCH
-RUN if [ $TARGETARCH = "arm64" ]; then \
-        dnf install -y \
-            gcc \
-            python3-devel \
-    ; fi
-
-RUN rpm -i https://download.oracle.com/otn_software/linux/instantclient/1912000/oracle-instantclient19.12-basiclite-19.12.0.0.0-1.x86_64.rpm; \
-    echo "/usr/lib/oracle/19/client64/lib" >/etc/ld.so.conf.d/oracle.conf; \
-    ldconfig
-
 RUN python3 -m pip install --no-cache-dir --upgrade pip && \
     python3 -m pip install --no-cache-dir --upgrade setuptools
 RUN python3 -m pip install --no-cache-dir --pre rucio[oracle,mysql,postgresql,globus]==$TAG
diff --git a/init/Dockerfile b/init/Dockerfile
index d4f3d82..0db3805 100644
--- a/init/Dockerfile
+++ b/init/Dockerfile
@@ -19,9 +19,6 @@ RUN dnf install -y epel-release.noarch && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
-RUN rpm -i https://download.oracle.com/otn_software/linux/instantclient/1912000/oracle-instantclient19.12-basiclite-19.12.0.0.0-1.x86_64.rpm; \
-    echo "/usr/lib/oracle/19/client64/lib" >/etc/ld.so.conf.d/oracle.conf; \
-    ldconfig
 RUN python3 -m pip install --no-cache-dir --upgrade pip
 RUN python3 -m pip install --no-cache-dir --upgrade setuptools
 RUN python3 -m pip install --pre rucio[oracle,mysql,postgresql]==$TAG
diff --git a/probes/Dockerfile b/probes/Dockerfile
index f6809c6..f547e04 100644
--- a/probes/Dockerfile
+++ b/probes/Dockerfile
@@ -26,10 +26,6 @@ RUN dnf install -y epel-release.noarch && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
-RUN rpm -i https://download.oracle.com/otn_software/linux/instantclient/1912000/oracle-instantclient19.12-basiclite-19.12.0.0.0-1.x86_64.rpm; \
-    echo "/usr/lib/oracle/19/client64/lib" >/etc/ld.so.conf.d/oracle.conf; \
-    ldconfig
-
 RUN rpm -i https://github.com/dshearer/jobber/releases/download/v1.4.0/jobber-1.4.0-1.el7.x86_64.rpm
 
 RUN python3 -m pip install --no-cache-dir --upgrade pip
diff --git a/server/Dockerfile b/server/Dockerfile
index c727ee1..68ae697 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -25,19 +25,6 @@ RUN dnf install -y epel-release.noarch && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
-# cx_oracle requires `gcc` and Python headers, not present by default on arm64
-ARG TARGETARCH
-RUN if [ $TARGETARCH = "arm64" ]; then \
-        dnf install -y \
-            gcc \
-            python3-devel \
-    ; fi
-
-
-RUN rpm -i https://download.oracle.com/otn_software/linux/instantclient/1912000/oracle-instantclient19.12-basiclite-19.12.0.0.0-1.x86_64.rpm; \
-    echo "/usr/lib/oracle/19/client64/lib" >/etc/ld.so.conf.d/oracle.conf; \
-    ldconfig
-
 RUN python3 -m pip install --no-cache-dir --upgrade pip && \
     python3 -m pip install --no-cache-dir --upgrade setuptools
 RUN python3 -m pip install --no-cache-dir --pre rucio[oracle,mysql,postgresql]==$TAG
diff --git a/ui/Dockerfile b/ui/Dockerfile
index 43d8d23..ca81cc0 100644
--- a/ui/Dockerfile
+++ b/ui/Dockerfile
@@ -32,9 +32,6 @@ RUN dnf install -y epel-release.noarch && \
     dnf clean all && \
     rm -rf /var/cache/dnf
 
-RUN rpm -i https://download.oracle.com/otn_software/linux/instantclient/1912000/oracle-instantclient19.12-basiclite-19.12.0.0.0-1.x86_64.rpm; \
-    echo "/usr/lib/oracle/19/client64/lib" >/etc/ld.so.conf.d/oracle.conf; \
-    ldconfig
 RUN python3 -m pip install --no-cache-dir --upgrade pip
 RUN python3 -m pip install --no-cache-dir --upgrade setuptools
 RUN python3 -m pip install --no-cache-dir --pre rucio[oracle,mysql,postgresql]==$TAG