diff --git a/binaryen b/binaryen
index 96f7acf..98b1ff3 160000
--- a/binaryen
+++ b/binaryen
@@ -1 +1 @@
-Subproject commit 96f7acf09aae1ec6e8bc573dfa8f309c4f892a40
+Subproject commit 98b1ff3f7ba752dcb0d7b435a97697108c5fe2e9
diff --git a/dune b/dune
index d90311e..df11143 100644
--- a/dune
+++ b/dune
@@ -33,6 +33,7 @@
      binaryen
      -G
      "Unix Makefiles"
+     -DCMAKE_CXX_FLAGS=-Wno-unused-variable
      -DBUILD_STATIC_LIB=ON
      -DCMAKE_BUILD_TYPE=Release
      -DCMAKE_INSTALL_PREFIX=binaryen)
@@ -57,6 +58,7 @@
      binaryen
      -G
      "Unix Makefiles"
+     -DCMAKE_CXX_FLAGS=-Wno-unused-variable
      -DBUILD_STATIC_LIB=OFF
      -DCMAKE_BUILD_TYPE=Release
      -DCMAKE_INSTALL_PREFIX=binaryen)
@@ -83,6 +85,7 @@
      binaryen
      -G
      "Unix Makefiles"
+     -DCMAKE_CXX_FLAGS=-Wno-unused-variable
      -DBUILD_STATIC_LIB=OFF
      -DCMAKE_BUILD_TYPE=Release
      -DCMAKE_INSTALL_PREFIX=binaryen)
@@ -107,6 +110,7 @@
      binaryen
      -G
      "Unix Makefiles"
+     -DCMAKE_CXX_FLAGS=-Wno-unused-variable
      -DBUILD_STATIC_LIB=OFF
      -DCMAKE_BUILD_TYPE=Release
      -DCMAKE_INSTALL_PREFIX=binaryen)