diff --git a/trusty/fuzz/tipc_fuzzer.cpp b/trusty/fuzz/tipc_fuzzer.cpp
index edc2a79a5..f265cedb6 100644
--- a/trusty/fuzz/tipc_fuzzer.cpp
+++ b/trusty/fuzz/tipc_fuzzer.cpp
@@ -14,8 +14,6 @@
  * limitations under the License.
  */
 
-#include <android-base/result.h>
-#include <fuzzer/FuzzedDataProvider.h>
 #include <stdlib.h>
 #include <trusty/coverage/coverage.h>
 #include <trusty/coverage/uuid.h>
@@ -25,7 +23,6 @@
 #include <iostream>
 #include <memory>
 
-using android::base::Result;
 using android::trusty::coverage::CoverageRecord;
 using android::trusty::fuzz::ExtraCounters;
 using android::trusty::fuzz::TrustyApp;
@@ -44,14 +41,7 @@ using android::trusty::fuzz::TrustyApp;
 #error "Binary file name must be parameterized using -DTRUSTY_APP_FILENAME."
 #endif
 
-#ifdef TRUSTY_APP_MAX_CONNECTIONS
-constexpr size_t MAX_CONNECTIONS = TRUSTY_APP_MAX_CONNECTIONS;
-#else
-constexpr size_t MAX_CONNECTIONS = 1;
-#endif
-
-static_assert(MAX_CONNECTIONS >= 1);
-
+static TrustyApp kTrustyApp(TIPC_DEV, TRUSTY_APP_PORT);
 static std::unique_ptr<CoverageRecord> record;
 
 extern "C" int LLVMFuzzerInitialize(int* /* argc */, char*** /* argv */) {
@@ -63,8 +53,7 @@ extern "C" int LLVMFuzzerInitialize(int* /* argc */, char*** /* argv */) {
     }
 
     /* Make sure lazy-loaded TAs have started and connected to coverage service. */
-    TrustyApp ta(TIPC_DEV, TRUSTY_APP_PORT);
-    auto ret = ta.Connect();
+    auto ret = kTrustyApp.Connect();
     if (!ret.ok()) {
         std::cerr << ret.error() << std::endl;
         exit(-1);
@@ -84,56 +73,24 @@ extern "C" int LLVMFuzzerInitialize(int* /* argc */, char*** /* argv */) {
     return 0;
 }
 
-Result<void> testOneInput(FuzzedDataProvider& provider) {
-    std::vector<TrustyApp> trustyApps;
-
-    while (provider.remaining_bytes() > 0) {
-        if (trustyApps.size() < MAX_CONNECTIONS && provider.ConsumeBool()) {
-            auto& ta = trustyApps.emplace_back(TIPC_DEV, TRUSTY_APP_PORT);
-            const auto result = ta.Connect();
-            if (!result.ok()) {
-                return result;
-            }
-        } else {
-            const auto i = provider.ConsumeIntegralInRange<size_t>(0, trustyApps.size());
-            std::swap(trustyApps[i], trustyApps.back());
-
-            if (provider.ConsumeBool()) {
-                auto& ta = trustyApps.back();
-
-                const auto data = provider.ConsumeRandomLengthString();
-                auto result = ta.Write(data.data(), data.size());
-                if (!result.ok()) {
-                    return result;
-                }
-
-                std::array<uint8_t, TIPC_MAX_MSG_SIZE> buf;
-                result = ta.Read(buf.data(), buf.size());
-                if (!result.ok()) {
-                    return result;
-                }
-
-                // Reconnect to ensure that the service is still up.
-                ta.Disconnect();
-                result = ta.Connect();
-                if (!result.ok()) {
-                    std::cerr << result.error() << std::endl;
-                    android::trusty::fuzz::Abort();
-                    return result;
-                }
-            } else {
-                trustyApps.pop_back();
-            }
-        }
-    }
-    return {};
-}
-
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
+    static uint8_t buf[TIPC_MAX_MSG_SIZE];
+
     ExtraCounters counters(record.get());
     counters.Reset();
 
-    FuzzedDataProvider provider(data, size);
-    const auto result = testOneInput(provider);
-    return result.ok() ? 0 : -1;
+    auto ret = kTrustyApp.Write(data, size);
+    if (ret.ok()) {
+        ret = kTrustyApp.Read(&buf, sizeof(buf));
+    }
+
+    // Reconnect to ensure that the service is still up
+    kTrustyApp.Disconnect();
+    ret = kTrustyApp.Connect();
+    if (!ret.ok()) {
+        std::cerr << ret.error() << std::endl;
+        android::trusty::fuzz::Abort();
+    }
+
+    return ret.ok() ? 0 : -1;
 }