diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5d4581..87b76d2 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -1,5 +1,9 @@
 name: 'Yuzu Docker Image CI'
 on:
+  workflow_dispatch:
+    inputs: {}
+  schedule:
+    - cron: '0 7 * * 0'
   push:
     branches: ["master"]
   pull_request:
@@ -10,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        image: ["linux-clang-format", "linux-flatpak", "linux-fresh", "linux-mingw", "linux-transifex"]
+        image: ["linux-clang-format", "linux-fresh", "linux-mingw", "linux-transifex"]
     
     steps:
     - uses: actions/checkout@v2
diff --git a/linux-clang-format/Dockerfile b/linux-clang-format/Dockerfile
index 028b0c0..7ef60f8 100644
--- a/linux-clang-format/Dockerfile
+++ b/linux-clang-format/Dockerfile
@@ -1,5 +1,5 @@
 FROM ubuntu:20.04
-MAINTAINER yuzu
+LABEL maintainer="yuzu"
 # Create a user account yuzu (UID 1027) that the container will run as
 RUN useradd -m -u 1027 -s /bin/bash yuzu && \
     apt-get update && apt-get -y full-upgrade && \
diff --git a/linux-flatpak/Dockerfile b/linux-flatpak/Dockerfile
deleted file mode 100644
index 7e9c203..0000000
--- a/linux-flatpak/Dockerfile
+++ /dev/null
@@ -1,16 +0,0 @@
-FROM ubuntu:20.04
-MAINTAINER yuzu
-RUN useradd -m -u 1027 -s /bin/bash yuzu && DEBIAN_FRONTEND=noninteractive apt-get update \
-    && DEBIAN_FRONTEND=noninteractive apt-get -y full-upgrade \
-    && DEBIAN_FRONTEND=noninteractive apt-get install --no-install-recommends -y \
-        flatpak flatpak-builder \
-        librsvg2-common \
-        ca-certificates build-essential libsdl2-dev libssl-dev \
-        python qtbase5-dev qtwebengine5-dev libqt5opengl5-dev \
-        wget git ccache cmake \
-        ninja-build dnsutils gnupg2 \
-        sshfs fuse elfutils \
-    && apt-get clean autoclean && apt-get autoremove --yes && rm -rf /var/lib/apt /var/lib/dpkg /var/lib/cache /var/lib/log \
-    && flatpak remote-add --if-not-exists flathub https://flathub.org/repo/flathub.flatpakrepo \
-    && flatpak install -v -y flathub org.kde.Platform//5.13 org.kde.Sdk//5.13
-USER 1027
diff --git a/linux-fresh/Dockerfile b/linux-fresh/Dockerfile
index 1dc8022..0e60a9b 100644
--- a/linux-fresh/Dockerfile
+++ b/linux-fresh/Dockerfile
@@ -1,5 +1,5 @@
 FROM ubuntu:18.04
-MAINTAINER yuzu
+LABEL maintainer="yuzu"
 
 ENV CLANG_VER=12
 ENV CMAKE_VER=3.16.3
@@ -18,7 +18,6 @@ RUN useradd -m -u 1027 -s /bin/bash yuzu && \
     build-essential \
     ccache \
     file \
-    git \
     gpg-agent \
     liblz4-dev \
     libopus-dev \
@@ -42,10 +41,12 @@ RUN useradd -m -u 1027 -s /bin/bash yuzu && \
     add-apt-repository -y ppa:cybermax-dexter/sdl2-backport && \
     add-apt-repository -y ppa:jonathonf/ffmpeg-4 && \
     add-apt-repository -y ppa:ubuntu-toolchain-r/test && \
+    add-apt-repository -y ppa:git-core/ppa && \
     apt-get update -y && \
     apt-get install --no-install-recommends -y \
     g++-${GCC_VER} \
     gcc-${GCC_VER} \
+    git \
     libavcodec-dev \
     libavutil-dev \
     libsdl2-dev \
diff --git a/linux-mingw/Dockerfile b/linux-mingw/Dockerfile
index ad1fce1..e635daa 100644
--- a/linux-mingw/Dockerfile
+++ b/linux-mingw/Dockerfile
@@ -1,8 +1,7 @@
 FROM archlinux:latest
-MAINTAINER yuzu
+LABEL maintainer="yuzu"
 
 ENV EXT_BIN_URL="https://github.com/yuzu-emu/ext-linux-bin/raw/main/mingw"
-
 # Workaround for Arch Linux Docker image failing to build
 # From https://stackoverflow.com/questions/66154574
 RUN patched_glibc=glibc-linux4-2.33-4-x86_64.pkg.tar.zst && \
diff --git a/linux-mingw/errno.h b/linux-mingw/errno.h
deleted file mode 100644
index 390f77c..0000000
--- a/linux-mingw/errno.h
+++ /dev/null
@@ -1,241 +0,0 @@
-/**
- * This file has no copyright assigned and is placed in the Public Domain.
- * This file is part of the mingw-w64 runtime package.
- * No warranty is given; refer to the file DISCLAIMER.PD within this package.
- */
-#ifndef _INC_ERRNO
-#define _INC_ERRNO
-
-#include <crtdefs.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-#ifndef _CRT_ERRNO_DEFINED
-#define _CRT_ERRNO_DEFINED
-_CRTIMP extern int *__cdecl _errno(void);
-#define errno (*_errno())
-
-errno_t __cdecl _set_errno(int _Value);
-errno_t __cdecl _get_errno(int *_Value);
-#endif /* _CRT_ERRNO_DEFINED */
-
-#define EPERM 1
-#define ENOENT 2
-#define ENOFILE ENOENT
-#define ESRCH 3
-#define EINTR 4
-#define EIO 5
-#define ENXIO 6
-#define E2BIG 7
-#define ENOEXEC 8
-#define EBADF 9
-#define ECHILD 10
-#define EAGAIN 11
-#define ENOMEM 12
-#define EACCES 13
-#define EFAULT 14
-#define EBUSY 16
-#define EEXIST 17
-#define EXDEV 18
-#define ENODEV 19
-#define ENOTDIR 20
-#define EISDIR 21
-#define ENFILE 23
-#define EMFILE 24
-#define ENOTTY 25
-#define EFBIG 27
-#define ENOSPC 28
-#define ESPIPE 29
-#define EROFS 30
-#define EMLINK 31
-#define EPIPE 32
-#define EDOM 33
-#define EDEADLK 36
-#define ENAMETOOLONG 38
-#define ENOLCK 39
-#define ENOSYS 40
-#define ENOTEMPTY 41
-
-#ifndef RC_INVOKED
-#if !defined(_SECURECRT_ERRCODE_VALUES_DEFINED)
-#define _SECURECRT_ERRCODE_VALUES_DEFINED
-#define EINVAL 22
-#define ERANGE 34
-#define EILSEQ 42
-#define STRUNCATE 80
-#endif
-#endif
-
-#define EDEADLOCK EDEADLK
-
-/* Posix thread extensions.  */
-
-#ifndef ENOTSUP
-#define ENOTSUP         129
-#endif
-
-/* Extension defined as by report VC 10+ defines error-numbers.  */
-
-#ifndef EAFNOSUPPORT
-#define EAFNOSUPPORT 102
-#endif
-
-#ifndef EADDRINUSE
-#define EADDRINUSE 100
-#endif
-
-#ifndef EADDRNOTAVAIL
-#define EADDRNOTAVAIL 101
-#endif
-
-#ifndef EISCONN
-#define EISCONN 113
-#endif
-
-#ifndef ENOBUFS
-#define ENOBUFS 119
-#endif
-
-#ifndef ECONNABORTED
-#define ECONNABORTED 106
-#endif
-
-#ifndef EALREADY
-#define EALREADY 103
-#endif
-
-#ifndef ECONNREFUSED
-#define ECONNREFUSED 107
-#endif
-
-#ifndef ECONNRESET
-#define ECONNRESET 108
-#endif
-
-#ifndef EDESTADDRREQ
-#define EDESTADDRREQ 109
-#endif
-
-#ifndef EHOSTUNREACH
-#define EHOSTUNREACH 110
-#endif
-
-#ifndef EMSGSIZE
-#define EMSGSIZE 115
-#endif
-
-#ifndef ENETDOWN
-#define ENETDOWN 116
-#endif
-
-#ifndef ENETRESET
-#define ENETRESET 117
-#endif
-
-#ifndef ENETUNREACH
-#define ENETUNREACH 118
-#endif
-
-#ifndef ENOPROTOOPT
-#define ENOPROTOOPT 123
-#endif
-
-#ifndef ENOTSOCK
-#define ENOTSOCK 128
-#endif
-
-#ifndef ENOTCONN
-#define ENOTCONN 126
-#endif
-
-#ifndef ECANCELED
-#define ECANCELED 105
-#endif
-
-#ifndef EINPROGRESS
-#define EINPROGRESS 112
-#endif
-
-#ifndef EOPNOTSUPP
-#define EOPNOTSUPP 130
-#endif
-
-#ifndef EWOULDBLOCK
-#define EWOULDBLOCK 140
-#endif
-
-#ifndef EOWNERDEAD
-#define EOWNERDEAD 133
-#endif
-
-#ifndef EPROTO
-#define EPROTO 134
-#endif
-
-#ifndef EPROTONOSUPPORT
-#define EPROTONOSUPPORT 135
-#endif
-
-#ifndef EBADMSG
-#define EBADMSG 104
-#endif
-
-#ifndef EIDRM
-#define EIDRM 111
-#endif
-
-#ifndef ENODATA
-#define ENODATA 120
-#endif
-
-#ifndef ENOLINK
-#define ENOLINK 121
-#endif
-
-#ifndef ENOMSG
-#define ENOMSG 122
-#endif
-
-#ifndef ENOSR
-#define ENOSR 124
-#endif
-
-#ifndef ENOSTR
-#define ENOSTR 125
-#endif
-
-#ifndef ENOTRECOVERABLE
-#define ENOTRECOVERABLE 127
-#endif
-
-#ifndef ETIME
-#define ETIME 137
-#endif
-
-#ifndef ETXTBSY
-#define ETXTBSY 139
-#endif
-
-/* Defined as WSAETIMEDOUT.  */
-#ifndef ETIMEDOUT
-#define ETIMEDOUT 138
-#endif
-
-#ifndef ELOOP
-#define ELOOP 114
-#endif
-
-#ifndef EPROTOTYPE
-#define EPROTOTYPE 136
-#endif
-
-#ifndef EOVERFLOW
-#define EOVERFLOW 132
-#endif
-
-#ifdef __cplusplus
-}
-#endif
-#endif