diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index d78c72e81d..e3201fadc5 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -59,6 +59,10 @@ endif()
 
 if (NOT TARGET libtint)
     message(STATUS "Dawn: using Tint at ${DAWN_TINT_DIR}")
+    # TODO(crbug.com/tint/1217): Tint expects glslang for validation when
+    # building the GLSL writer, but currently Dawn does not provide this
+    # third_party dependency. Disable the GLSL writer for now.
+    set(TINT_BUILD_GLSL_WRITER OFF)
     add_subdirectory(${DAWN_TINT_DIR} "${CMAKE_CURRENT_BINARY_DIR}/tint")
 endif()