diff --git a/libraries/test-utils/src/test-utils/QTestExtensions.h b/libraries/test-utils/src/test-utils/QTestExtensions.h
index f618f94e5b..2b55f43647 100644
--- a/libraries/test-utils/src/test-utils/QTestExtensions.h
+++ b/libraries/test-utils/src/test-utils/QTestExtensions.h
@@ -307,7 +307,7 @@ inline QString getTestResource(const QString& relativePath) {
         QFileInfo fileInfo(__FILE__);
         auto parentDir = fileInfo.absoluteDir();
         auto rootDir = parentDir.absoluteFilePath("..");
-        dir = QDir::cleanPath(rootDir);
+        dir.setPath(QDir::cleanPath(rootDir));
     });
 
     return QDir::cleanPath(dir.absoluteFilePath(relativePath));
diff --git a/tests/animation/src/AnimTests.cpp b/tests/animation/src/AnimTests.cpp
index 95cf5f2edf..33875ce55a 100644
--- a/tests/animation/src/AnimTests.cpp
+++ b/tests/animation/src/AnimTests.cpp
@@ -300,19 +300,17 @@ void AnimTests::testAccumulateTime() {
     QString id = "testNode";
     AnimVariantMap triggers;
     float loopFlag = true;
-    float resultFrame = accumulateTime(startFrame, endFrame, timeScale, startFrame, dt, loopFlag, id, triggers);
+    accumulateTime(startFrame, endFrame, timeScale, startFrame, dt, loopFlag, id, triggers);
     // a one frame looping animation should NOT trigger onLoop events
     QVERIFY(!triggers.hasKey("testNodeOnLoop"));
 
-    const uint32_t MAX_TRIGGER_COUNT = 3;
-
     startFrame = 0.0f;
     endFrame = 1.1f;
     timeScale = 10.0f;
     dt = 10.0f;
     triggers.clearMap();
     loopFlag = true;
-    resultFrame = accumulateTime(startFrame, endFrame, timeScale, startFrame, dt, loopFlag, id, triggers);
+    accumulateTime(startFrame, endFrame, timeScale, startFrame, dt, loopFlag, id, triggers);
     // a short animation with a large dt & a large timescale, should generate a onLoop event.
     QVERIFY(triggers.hasKey("testNodeOnLoop"));
 }
diff --git a/tests/animation/src/RotationConstraintTests.cpp b/tests/animation/src/RotationConstraintTests.cpp
index c1b6bc5dba..0c7db08903 100644
--- a/tests/animation/src/RotationConstraintTests.cpp
+++ b/tests/animation/src/RotationConstraintTests.cpp
@@ -46,7 +46,7 @@ void RotationConstraintTests::testElbowConstraint() {
     { // test reference rotation -- should be unconstrained
         glm::quat inputRotation = referenceRotation;
         glm::quat outputRotation = inputRotation;
-        bool updated = elbow.apply(outputRotation);
+        elbow.apply(outputRotation);
         glm::quat expectedRotation = referenceRotation;
         QCOMPARE_WITH_ABS_ERROR(expectedRotation, outputRotation, EPSILON);
     }
@@ -60,7 +60,7 @@ void RotationConstraintTests::testElbowConstraint() {
         for (float angle = startAngle; angle < endAngle + 0.5f * deltaAngle; angle += deltaAngle) {
             glm::quat inputRotation = glm::angleAxis(angle, hingeAxis) * referenceRotation;
             glm::quat outputRotation = inputRotation;
-            bool updated = elbow.apply(outputRotation);
+            elbow.apply(outputRotation);
             QCOMPARE_WITH_ABS_ERROR(inputRotation, outputRotation, EPSILON);
         }
     }
@@ -69,7 +69,7 @@ void RotationConstraintTests::testElbowConstraint() {
         float angle = minAngle - smallAngle;
         glm::quat inputRotation = glm::angleAxis(angle, hingeAxis) * referenceRotation;
         glm::quat outputRotation = inputRotation;
-        bool updated = elbow.apply(outputRotation);
+        elbow.apply(outputRotation);
         glm::quat expectedRotation = glm::angleAxis(minAngle, hingeAxis) * referenceRotation;
         QCOMPARE_WITH_ABS_ERROR(expectedRotation, outputRotation, EPSILON);
     }
@@ -78,7 +78,7 @@ void RotationConstraintTests::testElbowConstraint() {
         float angle = maxAngle + smallAngle;
         glm::quat inputRotation = glm::angleAxis(angle, hingeAxis) * referenceRotation;
         glm::quat outputRotation = inputRotation;
-        bool updated = elbow.apply(outputRotation);
+        elbow.apply(outputRotation);
         glm::quat expectedRotation = glm::angleAxis(maxAngle, hingeAxis) * referenceRotation;
         QCOMPARE_WITH_ABS_ERROR(expectedRotation, outputRotation, EPSILON);
     }
@@ -89,7 +89,7 @@ void RotationConstraintTests::testElbowConstraint() {
         float someAngle = 0.789f;
         glm::quat inputRotation = glm::angleAxis(someAngle, twistVector) * referenceRotation;
         glm::quat outputRotation = inputRotation;
-        bool updated = elbow.apply(outputRotation);
+        elbow.apply(outputRotation);
         glm::quat expectedRotation = referenceRotation;
         QCOMPARE_WITH_ABS_ERROR(expectedRotation, outputRotation, EPSILON);
     }
diff --git a/tests/baking/src/JSBakerTest.cpp b/tests/baking/src/JSBakerTest.cpp
index e39ccc6b9a..5e90706767 100644
--- a/tests/baking/src/JSBakerTest.cpp
+++ b/tests/baking/src/JSBakerTest.cpp
@@ -83,7 +83,7 @@ void JSBakerTest::setTestCases() {
 
 void JSBakerTest::testJSBaking() {
 
-    for (int i = 0;i < _testCases.size();i++) {
+    for (decltype(_testCases)::size_type i = 0;i < _testCases.size();i++) {
         QByteArray output;
         auto input = _testCases.at(i).first;
         JSBaker::bakeJS(input, output);
diff --git a/tests/shared/src/GLMHelpersTests.cpp b/tests/shared/src/GLMHelpersTests.cpp
index 71877e89f6..d49b538c2e 100644
--- a/tests/shared/src/GLMHelpersTests.cpp
+++ b/tests/shared/src/GLMHelpersTests.cpp
@@ -239,7 +239,7 @@ void GLMHelpersTests::roundPerf() {
     auto manualTime = std::chrono::high_resolution_clock::now() - start;
 
     bool identical = true;
-    for (int i = 0; i < vecs.size(); i++) {
+    for (decltype(vecs)::size_type i = 0; i < vecs.size(); i++) {
         identical &= vecs[i] == vecs2[i];
         if (vecs[i] != vecs2[i]) {
             qDebug() << "glm: " << vecs[i].x << vecs[i].y << vecs[i].z << ", manual: " << vecs2[i].x << vecs2[i].y << vecs2[i].z;