diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 5ead63311a..d28937f96a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -159,7 +159,6 @@ deps-debian:
     - echo "RUN apt-get install -qq -y --no-install-recommends \\" >> Dockerfile
     - echo "appstream
             bison
-            ccache
             clang
             desktop-file-utils
             flex
diff --git a/build/linux/flatpak/1_build-deps-flatpakbuilder.sh b/build/linux/flatpak/1_build-deps-flatpakbuilder.sh
index 4705ce1a1e..f03a920569 100644
--- a/build/linux/flatpak/1_build-deps-flatpakbuilder.sh
+++ b/build/linux/flatpak/1_build-deps-flatpakbuilder.sh
@@ -44,11 +44,6 @@ fi
 if [ -z "$GIMP_PREFIX" ]; then
   export GIMP_PREFIX="$PWD/../_install"
 fi
-if [ -z "$GITLAB_CI" ]; then
-  BUILDER_ARGS='--ccache --state-dir=../.flatpak-builder'
-else
-  BUILDER_ARGS='--disable-rofiles-fuse'
-fi
 
 
 # Build some deps (including babl and GEGL)
@@ -67,12 +62,12 @@ if [ "$CI_PIPELINE_SOURCE" = 'schedule' ]; then
 fi
 ## (The deps building is too long and no complete output would be collected,
 ## even from GitLab runner messages. So, let's silent and save logs as a file.)
-eval $FLATPAK_BUILDER --force-clean $BUILDER_ARGS --keep-build-dirs --build-only --stop-at=babl \
+eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=babl \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json > flatpak-builder.log 2>&1
 printf "\e[0Ksection_end:`date +%s`:deps_build\r\e[0K\n"
 
 printf "\e[0Ksection_start:`date +%s`:babl_build[collapsed=true]\r\e[0KBuilding babl\n"
-eval $FLATPAK_BUILDER --force-clean $BUILDER_ARGS --keep-build-dirs --build-only --stop-at=gegl \
+eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=gegl \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json
 if [ "$GITLAB_CI" ]; then
   tar cf babl-meson-log.tar .flatpak-builder/build/babl-1/_flatpak_build/meson-logs/meson-log.txt
@@ -80,7 +75,7 @@ fi
 printf "\e[0Ksection_end:`date +%s`:babl_build\r\e[0K\n"
 
 printf "\e[0Ksection_start:`date +%s`:gegl_build[collapsed=true]\r\e[0KBuilding gegl\n"
-eval $FLATPAK_BUILDER --force-clean $BUILDER_ARGS --keep-build-dirs --build-only --stop-at=gimp \
+eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --stop-at=gimp \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json
 if [ "$GITLAB_CI" ]; then
   tar cf gegl-meson-log.tar .flatpak-builder/build/gegl-1/_flatpak_build/meson-logs/meson-log.txt
diff --git a/build/linux/flatpak/2_build-gimp-flatpakbuilder.sh b/build/linux/flatpak/2_build-gimp-flatpakbuilder.sh
index 3eb90f7e03..d51eb519f2 100644
--- a/build/linux/flatpak/2_build-gimp-flatpakbuilder.sh
+++ b/build/linux/flatpak/2_build-gimp-flatpakbuilder.sh
@@ -31,16 +31,11 @@ fi
 if [ -z "$GIMP_PREFIX" ]; then
   export GIMP_PREFIX="$PWD/../_install"
 fi
-if [ -z "$GITLAB_CI" ]; then
-  BUILDER_ARGS='--ccache --state-dir=../.flatpak-builder'
-else
-  BUILDER_ARGS='--disable-rofiles-fuse'
-fi
 
 
 # Build GIMP only
 printf "\e[0Ksection_start:`date +%s`:gimp_build[collapsed=true]\r\e[0KBuilding GIMP\n"
-eval $FLATPAK_BUILDER --force-clean $BUILDER_ARGS --keep-build-dirs --build-only --disable-download \
+eval $FLATPAK_BUILDER --force-clean --disable-rofiles-fuse --keep-build-dirs --build-only --disable-download \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json > gimp-flatpak-builder.log 2>&1 || { cat gimp-flatpak-builder.log; exit 1; }
 if [ "$GITLAB_CI" ]; then
   tar cf gimp-meson-log.tar .flatpak-builder/build/gimp-1/_flatpak_build/meson-logs/meson-log.txt
@@ -51,7 +46,7 @@ printf "\e[0Ksection_end:`date +%s`:gimp_build\r\e[0K\n"
 # Cleanup GIMP_PREFIX (not working) and export it to OSTree repo
 # https://github.com/flatpak/flatpak-builder/issues/14
 printf "\e[0Ksection_start:`date +%s`:gimp_bundle[collapsed=true]\r\e[0KCreating OSTree repo\n"
-eval $FLATPAK_BUILDER $BUILDER_ARGS --finish-only --repo=repo \
+eval $FLATPAK_BUILDER --disable-rofiles-fuse --finish-only --repo=repo \
                       "$GIMP_PREFIX" build/linux/flatpak/org.gimp.GIMP-nightly.json
 if [ "$GITLAB_CI" ]; then
   tar cf repo-$(uname -m).tar repo/
diff --git a/build/linux/flatpak/org.gimp.GIMP-nightly.json b/build/linux/flatpak/org.gimp.GIMP-nightly.json
index 11ccc4f4d2..85c7c48223 100644
--- a/build/linux/flatpak/org.gimp.GIMP-nightly.json
+++ b/build/linux/flatpak/org.gimp.GIMP-nightly.json
@@ -7,8 +7,6 @@
     "command": "gimp",
     "build-options": {
         "env": {
-            "CC": "ccache cc",
-            "CXX": "ccache c++",
             "CLICOLOR_FORCE": "1"
         },
         "cflags": "-fdiagnostics-color=always",
@@ -524,8 +522,6 @@
                     "subdir": "source",
                     "buildsystem": "cmake-ninja",
                     "config-opts": [
-                        "-DCMAKE_CXX_COMPILER_LAUNCHER=ccache",
-                        "-DCMAKE_CXX_COMPILER=c++",
                         "-DCMAKE_INSTALL_PREFIX=/app/lib/libheif",
                         "-DEXTRA_LIB='libx265-10.a;libx265-12.a'",
                         "-DEXTRA_LINK_FLAGS=-L/app/lib/libheif/lib",
@@ -799,10 +795,6 @@
                     ],
                     "buildsystem": "cmake-ninja",
                     "config-opts": [
-                        "-DCMAKE_C_COMPILER_LAUNCHER=ccache",
-                        "-DCMAKE_C_COMPILER=cc",
-                        "-DCMAKE_Fortran_COMPILER_LAUNCHER=ccache",
-                        "-DCMAKE_Fortran_COMPILER=gfortran",
                         "-DBUILD_SHARED_LIBS=ON",
                         "-DDYNAMIC_ARCH=ON",
                         "-DUSE_OPENMP=ON",
diff --git a/build/windows/all-deps-uni.txt b/build/windows/all-deps-uni.txt
index 0df5b5c82f..bb560b29b4 100644
--- a/build/windows/all-deps-uni.txt
+++ b/build/windows/all-deps-uni.txt
@@ -1,5 +1,4 @@
 ${MINGW_PACKAGE_PREFIX}-binutils \
-${MINGW_PACKAGE_PREFIX}-ccache \
 ${MINGW_PACKAGE_PREFIX}-gi-docgen \
 ${MINGW_PACKAGE_PREFIX}-gobject-introspection \
 ${MINGW_PACKAGE_PREFIX}-headers-git \