diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4fc1a5c07..3b474bac0 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -238,6 +238,9 @@ jobs:
           DEFAULT_MAKE_FLAGS="-j${ncpu} ENABLE_EVMC=${ENABLE_EVMC} ENABLE_VMLOWMEM=${ENABLE_VMLOWMEM}"
           mingw32-make ${DEFAULT_MAKE_FLAGS}
           build/nimbus.exe --help
+          # give us more space
+          find . -type d -name ".git" -exec rm -rf {} +
+          find . -type d -name "nimcache" -exec rm -rf {} +
           mingw32-make ${DEFAULT_MAKE_FLAGS} test
           if [[ '${{ matrix.target.cpu }}' == 'amd64' ]]; then
             mingw32-make ${DEFAULT_MAKE_FLAGS}
diff --git a/.github/workflows/fluffy.yml b/.github/workflows/fluffy.yml
index 9bc2d71ca..9c9a57ece 100644
--- a/.github/workflows/fluffy.yml
+++ b/.github/workflows/fluffy.yml
@@ -249,6 +249,7 @@ jobs:
           DEFAULT_MAKE_FLAGS="-j${ncpu}"
           mingw32-make ${DEFAULT_MAKE_FLAGS} fluffy
           build/fluffy.exe --help
+          find . -type d -name ".git" -exec rm -rf {} +
           rm -rf nimcache
           mingw32-make ${DEFAULT_MAKE_FLAGS} fluffy-tools
           rm -rf nimcache