diff --git a/src/dawn/common/BUILD.gn b/src/dawn/common/BUILD.gn
index d5b0598065..4dc4d69465 100644
--- a/src/dawn/common/BUILD.gn
+++ b/src/dawn/common/BUILD.gn
@@ -49,8 +49,13 @@ config("internal_config") {
   }
 
   if (use_fuzzing_engine) {
-    # Does a hard abort when an assertion fails so that fuzzers catch and parse the failure.
-    defines += [ "DAWN_ABORT_ON_ASSERT" ]
+    defines += [
+      # Does a hard abort when an assertion fails so that fuzzers catch and parse the failure.
+      "DAWN_ABORT_ON_ASSERT",
+
+      # Disable logging to make fuzzing more efficient.
+      "DAWN_DISABLE_LOGGING",
+    ]
   }
 
   if (dawn_enable_d3d12) {
diff --git a/src/dawn/common/Log.cpp b/src/dawn/common/Log.cpp
index 799b8f99e3..6034fe14d9 100644
--- a/src/dawn/common/Log.cpp
+++ b/src/dawn/common/Log.cpp
@@ -71,6 +71,11 @@ LogMessage::LogMessage(LogMessage&& other) = default;
 LogMessage& LogMessage::operator=(LogMessage&& other) = default;
 
 LogMessage::~LogMessage() {
+#if defined(DAWN_DISABLE_LOGGING)
+    // Don't print logs to make fuzzing more efficient. Implemented as
+    // an early return to avoid warnings about unused member variables.
+    return;
+#endif
     std::string fullMessage = mStream.str();
 
     // If this message has been moved, its stream is empty.