diff --git a/.mozconfig-aarch64-apple-darwin b/.mozconfig-aarch64-apple-darwin
index 336aa5e38012..26d131c00665 100644
--- a/.mozconfig-aarch64-apple-darwin
+++ b/.mozconfig-aarch64-apple-darwin
@@ -53,6 +53,7 @@ ac_add_options --with-distribution-id=net.waterfox
 if [ -d "$PWD"/waterfox/browser/locales/en-GB ]; then
     ac_add_options --with-l10n-base="$PWD"/waterfox/browser/locales
 fi
+ac_add_options --without-wasm-sandboxed-libraries
 
 export MOZ_INCLUDE_SOURCE_INFO=1
 export MOZ_REQUIRE_SIGNING=
diff --git a/.mozconfig-x86_64-apple-darwin b/.mozconfig-x86_64-apple-darwin
index d006eea589f9..a6c9c28f9287 100644
--- a/.mozconfig-x86_64-apple-darwin
+++ b/.mozconfig-x86_64-apple-darwin
@@ -53,6 +53,7 @@ ac_add_options --with-distribution-id=net.waterfox
 if [ -d "$PWD"/waterfox/browser/locales/en-GB ]; then
     ac_add_options --with-l10n-base="$PWD"/waterfox/browser/locales
 fi
+ac_add_options --without-wasm-sandboxed-libraries
 
 export MOZ_INCLUDE_SOURCE_INFO=1
 export MOZ_REQUIRE_SIGNING=
diff --git a/.mozconfig-x86_64-pc-linux-gnu b/.mozconfig-x86_64-pc-linux-gnu
index 238cbfab2ea8..3cb64ea6ae06 100644
--- a/.mozconfig-x86_64-pc-linux-gnu
+++ b/.mozconfig-x86_64-pc-linux-gnu
@@ -65,6 +65,7 @@ fi
 if test -f "$PWD/mozilla-api"; then
     ac_add_options --with-mozilla-api-keyfile="$PWD"/mozilla-api
 fi
+ac_add_options --without-wasm-sandboxed-libraries
 
 export MOZ_INCLUDE_SOURCE_INFO=1
 export MOZ_REQUIRE_SIGNING=
diff --git a/.mozconfig-x86_64-pc-windows-msvc b/.mozconfig-x86_64-pc-windows-msvc
index ff75598d2048..023f0e62b41c 100644
--- a/.mozconfig-x86_64-pc-windows-msvc
+++ b/.mozconfig-x86_64-pc-windows-msvc
@@ -58,5 +58,7 @@ ac_add_options --with-distribution-id=net.waterfox
 if [ -d "$PWD"/waterfox/browser/locales/en-GB ]; then
     ac_add_options --with-l10n-base="$PWD"/waterfox/browser/locales
 fi
+ac_add_options --without-wasm-sandboxed-libraries
+
 export MOZ_REQUIRE_SIGNING=
 export MOZ_TELEMETRY_REPORTING=