diff --git a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
index 3f7a76d..69ab91b 100644
--- a/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
+++ b/audio/aidl/vts/VtsHalDynamicsProcessingTest.cpp
@@ -559,7 +559,7 @@
                     ::android::internal::ToString(std::get<INPUT_GAIN_PARAM>(info.param));
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_inputGains_" + gains;
+                               toString(descriptor.common.id.uuid) + "_inputGains_" + gains;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -652,7 +652,7 @@
                     std::to_string(std::get<LIMITER_ENGINE_IN_USE>(info.param));
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_limiterConfig_" +
+                               toString(descriptor.common.id.uuid) + "_limiterConfig_" +
                                cfg.toString() + "_engineSetting_" + engineLimiterInUse;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
@@ -726,7 +726,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_" + channelConfig +
+                               toString(descriptor.common.id.uuid) + "_" + channelConfig +
                                "_engineInUse_" + engineInUse;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
@@ -868,7 +868,7 @@
             std::string stageInUse = std::to_string(std::get<EQ_BAND_STAGE_IN_USE>(info.param));
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_bands_" + bands +
+                               toString(descriptor.common.id.uuid) + "_bands_" + bands +
                                "_stageInUse_" + stageInUse;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
@@ -986,7 +986,7 @@
             std::string stageInUse = std::to_string(std::get<MBC_BAND_STAGE_IN_USE>(info.param));
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_bands_" + mbcBands +
+                               toString(descriptor.common.id.uuid) + "_bands_" + mbcBands +
                                "_stageInUse_" + stageInUse;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
diff --git a/audio/aidl/vts/VtsHalEnvironmentalReverbTargetTest.cpp b/audio/aidl/vts/VtsHalEnvironmentalReverbTargetTest.cpp
index 765c377..f641fa5 100644
--- a/audio/aidl/vts/VtsHalEnvironmentalReverbTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalEnvironmentalReverbTargetTest.cpp
@@ -249,7 +249,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_roomHfLevel" + roomHfLevel;
+                               toString(descriptor.common.id.uuid) + "_roomHfLevel" + roomHfLevel;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -289,7 +289,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_decayTime" + decayTime;
+                               toString(descriptor.common.id.uuid) + "_decayTime" + decayTime;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -329,8 +329,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_decayHfRatio" +
-                               decayHfRatio;
+                               toString(descriptor.common.id.uuid) + "_decayHfRatio" + decayHfRatio;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -370,7 +369,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_level" + level;
+                               toString(descriptor.common.id.uuid) + "_level" + level;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -410,7 +409,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_delay" + delay;
+                               toString(descriptor.common.id.uuid) + "_delay" + delay;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -450,7 +449,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_diffusion" + diffusion;
+                               toString(descriptor.common.id.uuid) + "_diffusion" + diffusion;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -490,7 +489,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_density" + density;
+                               toString(descriptor.common.id.uuid) + "_density" + density;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
@@ -527,7 +526,7 @@
 
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_bypass" + bypass;
+                               toString(descriptor.common.id.uuid) + "_bypass" + bypass;
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;
diff --git a/audio/aidl/vts/VtsHalHapticGeneratorTargetTest.cpp b/audio/aidl/vts/VtsHalHapticGeneratorTargetTest.cpp
index d312111..48e59dc 100644
--- a/audio/aidl/vts/VtsHalHapticGeneratorTargetTest.cpp
+++ b/audio/aidl/vts/VtsHalHapticGeneratorTargetTest.cpp
@@ -225,7 +225,7 @@
                     std::to_string(std::get<PARAM_VIBRATION_INFORMATION_MAX_AMPLITUDE>(info.param));
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString() + "_hapticScaleId" +
+                               toString(descriptor.common.id.uuid) + "_hapticScaleId" +
                                hapticScaleID + "_hapticScaleVibScale" + hapticScaleVibScale +
                                "_resonantFrequency" + resonantFrequency + "_qFactor" + qFactor +
                                "_maxAmplitude" + maxAmplitude;
@@ -422,7 +422,7 @@
             auto descriptor = std::get<PARAM_INSTANCE_NAME>(info.param).second;
             std::string name = "Implementor_" + descriptor.common.implementor + "_name_" +
                                descriptor.common.name + "_UUID_" +
-                               descriptor.common.id.uuid.toString();
+                               toString(descriptor.common.id.uuid);
             std::replace_if(
                     name.begin(), name.end(), [](const char c) { return !std::isalnum(c); }, '_');
             return name;