diff --git a/.travis.yml b/.travis.yml
index e135852c39..36b0c8e24e 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -192,7 +192,7 @@ after_success:
     - stage: lint
       name: 'lint'
       env:
-      cache: false
+      cache: pip
       language: python
       python: '3.8' # Oldest supported version according to doc/dependencies.md
       install:
diff --git a/ci/dash/build_src.sh b/ci/dash/build_src.sh
index c12bb895e1..328acc07d8 100755
--- a/ci/dash/build_src.sh
+++ b/ci/dash/build_src.sh
@@ -31,6 +31,7 @@ if [ "$CHECK_DOC" = 1 ]; then
     test/lint/extended-lint-all.sh
 fi
 
+command -v ccache > /dev/null && ccache --zero-stats
 ccache --max-size=$CCACHE_SIZE
 
 if [ -n "$CONFIG_SHELL" ]; then
@@ -53,6 +54,8 @@ cd dashcore-$BUILD_TARGET
 
 make $MAKEJOBS $GOAL || ( echo "Build failure. Verbose build follows." && make $GOAL V=1 ; false )
 
+command -v ccache > /dev/null && ccache --version | head -n 1 && ccache --show-stats
+
 if [ -n "$USE_VALGRIND" ]; then
     echo "valgrind in USE!"
     ${BASE_ROOT_DIR}/ci/test/wrap-valgrind.sh
diff --git a/ci/test/00_setup_env.sh b/ci/test/00_setup_env.sh
index 3311a78524..5b4da6b81b 100755
--- a/ci/test/00_setup_env.sh
+++ b/ci/test/00_setup_env.sh
@@ -29,7 +29,7 @@ MAKEJOBS="-j$(nproc)"
 export MAKEJOBS
 # A folder for the ci system to put temporary files (ccache, datadirs for tests, ...)
 # This folder only exists on the ci host.
-export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch/}
+export BASE_SCRATCH_DIR=${BASE_SCRATCH_DIR:-$BASE_ROOT_DIR/ci/scratch}
 # What host to compile for. See also ./depends/README.md
 # Tests that need cross-compilation export the appropriate HOST.
 # Tests that run natively guess the host
@@ -60,7 +60,6 @@ export DEPENDS_DIR=${DEPENDS_DIR:-$BASE_ROOT_DIR/depends}
 # Folder where the build is done (bin and lib).
 export BASE_OUTDIR=${BASE_OUTDIR:-$BASE_SCRATCH_DIR/out/$HOST}
 export SDK_URL=${SDK_URL:-https://bitcoincore.org/depends-sources/sdks}
-export WINEDEBUG=${WINEDEBUG:-fixme-all}
 export DOCKER_PACKAGES=${DOCKER_PACKAGES:-build-essential libtool autotools-dev automake pkg-config bsdmainutils curl ca-certificates ccache python3 rsync git procps}
 export GOAL=${GOAL:-install}
 export DIR_QA_ASSETS=${DIR_QA_ASSETS:-${BASE_SCRATCH_DIR}/qa-assets}
diff --git a/ci/test/04_install.sh b/ci/test/04_install.sh
index 68c48dfae4..99fec18e16 100755
--- a/ci/test/04_install.sh
+++ b/ci/test/04_install.sh
@@ -25,7 +25,7 @@ export ASAN_OPTIONS="detect_stack_use_after_return=1:check_initialization_order=
 export LSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/lsan"
 export TSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/tsan"
 export UBSAN_OPTIONS="suppressions=${BASE_BUILD_DIR}/test/sanitizer_suppressions/ubsan:print_stacktrace=1:halt_on_error=1:report_error_type=1"
-env | grep -E '^(BASE_|QEMU_|CCACHE_|WINEDEBUG|LC_ALL|BOOST_TEST_RANDOM|CONFIG_SHELL|(ASAN|LSAN|TSAN|UBSAN)_OPTIONS)' | tee /tmp/env
+env | grep -E '^(BASE_|QEMU_|CCACHE_|LC_ALL|BOOST_TEST_RANDOM|CONFIG_SHELL|(ASAN|LSAN|TSAN|UBSAN)_OPTIONS)' | tee /tmp/env
 if [[ $HOST = *-mingw32 ]]; then
   DOCKER_ADMIN="--cap-add SYS_ADMIN"
 elif [[ $BITCOIN_CONFIG = *--with-sanitizers=*address* ]]; then # If ran with (ASan + LSan), Docker needs access to ptrace (https://github.com/google/sanitizers/issues/764)