diff --git a/.github/workflows/linux-release-build.yml b/.github/workflows/linux-release-build.yml
index 008b59ae3..565c1dd70 100644
--- a/.github/workflows/linux-release-build.yml
+++ b/.github/workflows/linux-release-build.yml
@@ -32,7 +32,7 @@ jobs:
       matrix:
         arch: [x86_64, aarch64]
     env:
-      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache && 'true' || 'false' }
       CARGO_TERM_COLOR: always
       RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
diff --git a/.github/workflows/macos-release-build.yml b/.github/workflows/macos-release-build.yml
index 1aef80095..22190d786 100644
--- a/.github/workflows/macos-release-build.yml
+++ b/.github/workflows/macos-release-build.yml
@@ -31,7 +31,7 @@ jobs:
       matrix:
         arch: [x86_64, aarch64]
     env:
-      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache && 'true' || 'false' }
       CARGO_TERM_COLOR: always
       RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
diff --git a/.github/workflows/windows-release-build.yml b/.github/workflows/windows-release-build.yml
index 0a6f39bb9..9e3b7e478 100644
--- a/.github/workflows/windows-release-build.yml
+++ b/.github/workflows/windows-release-build.yml
@@ -34,7 +34,7 @@ jobs:
     # aarch64 does not need full 16x, and we also dont use full LTO when generating GPO
     runs-on: ${{ (inputs.release-branch == 'release' && !inputs.generate-gpo && matrix.arch == 'x86_64') && 'self-hosted' || 'ubuntu-latest' }}
     env:
-      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache }
+      SCCACHE_GHA_ENABLED: ${ inputs.use-sccache && 'true' || 'false' }
       CARGO_TERM_COLOR: always
       RUSTC_WRAPPER: ${ inputs.use-sccache && 'sccache' || '' }
       CARGO_INCREMENTAL: 0
@@ -156,7 +156,7 @@ jobs:
             aria2
           echo Setup wine
           aria2c "https://firefox-ci-tc.services.mozilla.com/api/index/v1/task/gecko.cache.level-1.toolchains.v3.linux64-wine.latest/artifacts/public%2Fbuild%2Fwine.tar.zst" -o wine.tar.zst
-          tar --zstd -xvf wine.tar.zst -C ~/win-cross
+          tar --zstd -xf wine.tar.zst -C ~/win-cross
           rm wine.tar.zst
           echo Setup Visual Studio
           ./mach python --virtualenv build taskcluster/scripts/misc/get_vs.py build/vs/vs2022.yaml ~/win-cross/vs2022
diff --git a/configs/common/mozconfig b/configs/common/mozconfig
index 7c8ed9076..364464cd7 100644
--- a/configs/common/mozconfig
+++ b/configs/common/mozconfig
@@ -23,10 +23,13 @@ export MOZ_INCLUDE_SOURCE_INFO=1
 
 ac_add_options --enable-application=browser
 
-if test -x "$(command -v sccache)"; then
-  ac_add_options --with-ccache=sccache
-elif test -f "$HOME/.mozbuild/sccache/sccache"; then
-  ac_add_options --with-ccache="$HOME"/.mozbuild/sccache/sccache
+# Anything except 'SCCACHE_GHA_ENABLED == false'
+if ! test "$SCCACHE_GHA_ENABLED" = "false"; then
+  if test -x "$(command -v sccache)"; then
+    ac_add_options --with-ccache=sccache
+  elif test -f "$HOME/.mozbuild/sccache/sccache"; then
+    ac_add_options --with-ccache="$HOME"/.mozbuild/sccache/sccache
+  fi
 fi
 
 if test "$ZEN_RELEASE"; then