diff --git a/CMakeLists.txt b/CMakeLists.txt
index 287738c..8bdae2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -192,6 +192,7 @@
 option(DAWN_BUILD_NODE_BINDINGS "Enables building Dawn's NodeJS bindings" OFF)
 option(DAWN_ENABLE_SWIFTSHADER "Enables building Swiftshader as part of the build and Vulkan adapter discovery" OFF)
 option(DAWN_BUILD_BENCHMARKS "Build Dawn benchmarks" OFF)
+option(DAWN_BUILD_PROTOBUF "Build the protobuf dependencies" OFF)
 
 option(DAWN_WERROR "Build with -Werror (or equivalent)" OFF)
 option(DAWN_ENABLE_PIC "Build with Position-Independent-Code enabled" OFF)
@@ -543,7 +544,7 @@
 ################################################################################
 # Run on all subdirectories
 ################################################################################
-if (EXISTS "${DAWN_PROTOBUF_DIR}/cmake")
+if (DAWN_BUILD_PROTOBUF AND EXISTS "${DAWN_PROTOBUF_DIR}/cmake")
   if (("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang") AND WIN32)
     set(protobuf_HAVE_BUILTIN_ATOMICS 1)
   endif()
diff --git a/scripts/tint_overrides_with_defaults.gni b/scripts/tint_overrides_with_defaults.gni
index 82d6f8c..8ab6c42 100644
--- a/scripts/tint_overrides_with_defaults.gni
+++ b/scripts/tint_overrides_with_defaults.gni
@@ -42,7 +42,13 @@
 }
 
 tint_has_fuzzers = tint_has_build
-tint_has_protobuf = tint_standalone || build_with_chromium
+
+declare_args() {
+  # Is protobuf support present
+  if (!defined(tint_has_protobuf)) {
+    tint_has_protobuf = tint_standalone || build_with_chromium
+  }
+}
 
 declare_args() {
   # Path to tint checkout
diff --git a/src/tint/CMakeLists.txt b/src/tint/CMakeLists.txt
index d73a26c..a820043 100644
--- a/src/tint/CMakeLists.txt
+++ b/src/tint/CMakeLists.txt
@@ -41,7 +41,7 @@
   endif()
 endif()
 
-if (TARGET libprotobuf)
+if (DAWN_BUILD_PROTOBUF AND TARGET libprotobuf)
   set(TINT_BUILD_IR_BINARY 1)
 else()
   set(TINT_BUILD_IR_BINARY 0)
@@ -672,16 +672,17 @@
 ################################################################################
 # Generate protobuf sources
 ################################################################################
-foreach(PROTO_TARGET ${TINT_PROTO_TARGETS})
-  generate_protos(
-    TARGET ${PROTO_TARGET}
-    IMPORT_DIRS "${TINT_ROOT_SOURCE_DIR}"
-    PROTOC_OUT_DIR "${DAWN_BUILD_GEN_DIR}")
-  target_include_directories(${PROTO_TARGET} PRIVATE "${DAWN_BUILD_GEN_DIR}/src/tint/")
-  target_include_directories(${PROTO_TARGET} PUBLIC "${DAWN_BUILD_GEN_DIR}")
-  target_link_libraries(${PROTO_TARGET} libprotobuf)
-endforeach()
-
+if (DAWN_BUILD_PROTOBUF)
+  foreach(PROTO_TARGET ${TINT_PROTO_TARGETS})
+    generate_protos(
+      TARGET ${PROTO_TARGET}
+      IMPORT_DIRS "${TINT_ROOT_SOURCE_DIR}"
+      PROTOC_OUT_DIR "${DAWN_BUILD_GEN_DIR}")
+    target_include_directories(${PROTO_TARGET} PRIVATE "${DAWN_BUILD_GEN_DIR}/src/tint/")
+    target_include_directories(${PROTO_TARGET} PUBLIC "${DAWN_BUILD_GEN_DIR}")
+    target_link_libraries(${PROTO_TARGET} libprotobuf)
+  endforeach()
+endif()
 
 ################################################################################
 # tintd (VSCode WGSL language server)
diff --git a/src/tint/cmd/fuzz/ir/BUILD.cfg b/src/tint/cmd/fuzz/ir/BUILD.cfg
index 4184fdc..a5bef02 100644
--- a/src/tint/cmd/fuzz/ir/BUILD.cfg
+++ b/src/tint/cmd/fuzz/ir/BUILD.cfg
@@ -1,4 +1,7 @@
 {
+    "proto": {
+        "Condition": "tint_build_ir_fuzzer"
+    },
     "fuzz_cmd": {
         "Condition": "tint_build_ir_fuzzer",
         /* The Tint fuzzer executable for IR-input. */
diff --git a/src/tint/cmd/fuzz/ir/BUILD.cmake b/src/tint/cmd/fuzz/ir/BUILD.cmake
index edfb038..54630d1 100644
--- a/src/tint/cmd/fuzz/ir/BUILD.cmake
+++ b/src/tint/cmd/fuzz/ir/BUILD.cmake
@@ -34,14 +34,17 @@
 #                       Do not modify this file directly
 ################################################################################
 
+if(TINT_BUILD_IR_FUZZER)
 ################################################################################
 # Target:    tint_cmd_fuzz_ir_proto
 # Kind:      proto
+# Condition: TINT_BUILD_IR_FUZZER
 ################################################################################
 tint_add_target(tint_cmd_fuzz_ir_proto proto
   cmd/fuzz/ir/fuzz.proto
 )
 
+endif(TINT_BUILD_IR_FUZZER)
 if(TINT_BUILD_IR_FUZZER)
 ################################################################################
 # Target:    tint_cmd_fuzz_ir_fuzz_cmd
@@ -55,7 +58,6 @@
 tint_target_add_dependencies(tint_cmd_fuzz_ir_fuzz_cmd fuzz_cmd
   tint_api_common
   tint_cmd_fuzz_ir_fuzz
-  tint_cmd_fuzz_ir_proto
   tint_lang_core
   tint_lang_core_constant
   tint_lang_core_ir
@@ -105,6 +107,12 @@
   )
 endif(TINT_BUILD_IR_BINARY)
 
+if(TINT_BUILD_IR_FUZZER)
+  tint_target_add_dependencies(tint_cmd_fuzz_ir_fuzz_cmd fuzz_cmd
+    tint_cmd_fuzz_ir_proto
+  )
+endif(TINT_BUILD_IR_FUZZER)
+
 if(TINT_BUILD_MSL_WRITER)
   tint_target_add_dependencies(tint_cmd_fuzz_ir_fuzz_cmd fuzz_cmd
     tint_lang_msl_writer_fuzz
diff --git a/src/tint/cmd/fuzz/ir/BUILD.gn b/src/tint/cmd/fuzz/ir/BUILD.gn
index 0077298..a147227 100644
--- a/src/tint/cmd/fuzz/ir/BUILD.gn
+++ b/src/tint/cmd/fuzz/ir/BUILD.gn
@@ -37,10 +37,11 @@
 import("../../../../../scripts/tint_overrides_with_defaults.gni")
 
 import("${tint_src_dir}/tint.gni")
-
-tint_proto_library("proto") {
-  sources = [ "fuzz.proto" ]
-  deps = []
+if (tint_build_ir_fuzzer) {
+  tint_proto_library("proto") {
+    sources = [ "fuzz.proto" ]
+    deps = []
+  }
 }
 
 tint_fuzz_source_set("fuzz") {
@@ -93,7 +94,6 @@
       "${tint_lpm_dir}:libprotobuf-mutator",
       "${tint_src_dir}/api/common",
       "${tint_src_dir}/cmd/fuzz/ir:fuzz",
-      "${tint_src_dir}/cmd/fuzz/ir:proto",
       "${tint_src_dir}/lang/core",
       "${tint_src_dir}/lang/core/constant",
       "${tint_src_dir}/lang/core/ir",
@@ -135,6 +135,10 @@
       ]
     }
 
+    if (tint_build_ir_fuzzer) {
+      deps += [ "${tint_src_dir}/cmd/fuzz/ir:proto" ]
+    }
+
     if (tint_build_msl_writer) {
       deps += [ "${tint_src_dir}/lang/msl/writer:fuzz" ]
     }
diff --git a/src/tint/cmd/fuzz/ir/fuzz.cc b/src/tint/cmd/fuzz/ir/fuzz.cc
index 1942729..d74467c 100644
--- a/src/tint/cmd/fuzz/ir/fuzz.cc
+++ b/src/tint/cmd/fuzz/ir/fuzz.cc
@@ -65,7 +65,7 @@
     std::cerr << err.Error() << "\n";
     __builtin_trap();
 }
-#endif
+#endif  // TINT_BUILD_IR_BINARY
 
 void Register(const IRFuzzer& fuzzer) {
 #if TINT_BUILD_WGSL_READER
@@ -93,9 +93,12 @@
     });
 #endif
 
+#if TINT_BUILD_IR_BINARY
     Fuzzers().Push(fuzzer);
+#endif  // TINT_BUILD_IR_BINARY
 }
 
+#if TINT_BUILD_IR_BINARY
 void Run(const std::function<tint::core::ir::Module()>& acquire_module,
          const Options& options,
          Slice<const std::byte> data) {
@@ -144,5 +147,6 @@
         }
     }
 }
+#endif  // TINT_BUILD_IR_BINARY
 
 }  // namespace tint::fuzz::ir
diff --git a/src/tint/cmd/fuzz/ir/fuzz.h b/src/tint/cmd/fuzz/ir/fuzz.h
index cd391df..209f41e 100644
--- a/src/tint/cmd/fuzz/ir/fuzz.h
+++ b/src/tint/cmd/fuzz/ir/fuzz.h
@@ -94,6 +94,7 @@
 /// @param fuzzer the fuzzer
 void Register([[maybe_unused]] const IRFuzzer& fuzzer);
 
+#if TINT_BUILD_IR_BINARY
 /// Runs all the registered IR fuzzers with the supplied IR module
 /// @param acquire_module a function to obtain an IR module
 /// @param options the options for running the fuzzers
@@ -101,6 +102,7 @@
 void Run(const std::function<tint::core::ir::Module()>& acquire_module,
          const Options& options,
          Slice<const std::byte> data);
+#endif  // TINT_BUILD_IR_BINARY
 
 /// TINT_IR_MODULE_FUZZER registers the fuzzer function.
 #define TINT_IR_MODULE_FUZZER(FUNCTION) \
diff --git a/third_party/CMakeLists.txt b/third_party/CMakeLists.txt
index d60758d..b9d97a5 100644
--- a/third_party/CMakeLists.txt
+++ b/third_party/CMakeLists.txt
@@ -63,9 +63,6 @@
     if(${TINT_BUILD_SPV_READER} OR ${TINT_BUILD_SPV_WRITER})
         set(SPIRV_SKIP_TESTS ON CACHE BOOL "Controls whether SPIR-V tests are run" FORCE)
         set(SPIRV_WERROR OFF CACHE BOOL OFF FORCE)
-        if (${TINT_BUILD_SPIRV_TOOLS_FUZZER})
-            set(SPIRV_BUILD_FUZZER ON CACHE BOOL "Controls whether spirv-fuzz is built" FORCE)
-        endif()
     endif()
 
     message(STATUS "Dawn: using SPIRV-Tools at ${DAWN_SPIRV_TOOLS_DIR}")
@@ -103,7 +100,7 @@
     add_subdirectory(${DAWN_ABSEIL_DIR} "${CMAKE_CURRENT_BINARY_DIR}/abseil")
 endif()
 
-if (NOT TARGET libprotobuf-mutator)
+if (DAWN_BUILD_PROTOBUF AND NOT TARGET libprotobuf-mutator)
     message(STATUS "Dawn: using LPM at ${DAWN_LPM_DIR}")
     include("libprotobuf-mutator/BUILD.cmake")
 endif()