diff --git a/libraries/shared/src/BitVectorHelpers.h b/libraries/shared/src/BitVectorHelpers.h
index 9f5af0c380..a619fe3999 100644
--- a/libraries/shared/src/BitVectorHelpers.h
+++ b/libraries/shared/src/BitVectorHelpers.h
@@ -12,6 +12,8 @@
 #ifndef hifi_BitVectorHelpers_h
 #define hifi_BitVectorHelpers_h
 
+#include "NumericalConstants.h"
+
 int calcBitVectorSize(int numBits) {
     return ((numBits - 1) >> 3) + 1;
 }
diff --git a/tests/shared/src/BitVectorHelperTests.cpp b/tests/shared/src/BitVectorHelperTests.cpp
index 070e90eec7..618a86cad1 100644
--- a/tests/shared/src/BitVectorHelperTests.cpp
+++ b/tests/shared/src/BitVectorHelperTests.cpp
@@ -20,8 +20,6 @@
 
 QTEST_MAIN(BitVectorHelperTests)
 
-const int BITS_IN_BYTE = 8;
-
 void BitVectorHelperTests::sizeTest() {
     std::vector<int> sizes = {0, 6, 7, 8, 30, 31, 32, 33, 87, 88, 89, 90, 90, 91, 92, 93};
     for (auto& size : sizes) {
diff --git a/tests/shared/src/FileCacheTests.cpp b/tests/shared/src/FileCacheTests.cpp
index 3f1c5e1a01..b7c2103817 100644
--- a/tests/shared/src/FileCacheTests.cpp
+++ b/tests/shared/src/FileCacheTests.cpp
@@ -33,7 +33,7 @@ size_t FileCacheTests::getCacheDirectorySize() const {
     return result;
 }
 
-FileCachePointer makeFileCache(QString& location) {
+FileCachePointer makeFileCache(QString location) {
     auto result = std::make_shared<FileCache>(location.toStdString(), "tmp");
     result->initialize();
     result->setMaxSize(MAX_UNUSED_SIZE);
@@ -53,7 +53,7 @@ void FileCacheTests::testUnusedFiles() {
             auto file = cache->writeFile(TEST_DATA.data(), FileCache::Metadata(key, TEST_DATA.size()));
             QVERIFY(file->_locked);
             inUseFiles.push_back(file);
-            
+
             QThread::msleep(10);
         }
         QCOMPARE(cache->getNumCachedFiles(), (size_t)0);
@@ -100,13 +100,13 @@ void FileCacheTests::testUnusedFiles() {
             inUseFiles.push_back(file);
 
             if (i == 94) {
-                // Each access touches the file, so we need to sleep here to ensure that the the last 5 files 
+                // Each access touches the file, so we need to sleep here to ensure that the the last 5 files
                 // have later times for cache ejection priority, otherwise the test runs too fast to reliably
-                // differentiate 
+                // differentiate
                 QThread::msleep(1000);
             }
         }
-        
+
         QCOMPARE(cache->getNumCachedFiles(), (size_t)0);
         QCOMPARE(cache->getNumTotalFiles(), (size_t)10);
         inUseFiles.clear();
@@ -119,7 +119,7 @@ size_t FileCacheTests::getFreeSpace() const {
     return QStorageInfo(_testDir.path()).bytesFree();
 }
 
-// FIXME if something else is changing the amount of free space on the target drive concurrently with this test 
+// FIXME if something else is changing the amount of free space on the target drive concurrently with this test
 // running, then it may fail
 void FileCacheTests::testFreeSpacePreservation() {
     QCOMPARE(getCacheDirectorySize(), MAX_UNUSED_SIZE);
diff --git a/tests/shared/src/GeometryUtilTests.cpp b/tests/shared/src/GeometryUtilTests.cpp
index ccb3dc8a0e..eb9be4987f 100644
--- a/tests/shared/src/GeometryUtilTests.cpp
+++ b/tests/shared/src/GeometryUtilTests.cpp
@@ -31,20 +31,20 @@ static void testSphereVsCone(const glm::vec3 coneNormal, const glm::vec3 coneBiN
     glm::vec3 coneCenter = glm::vec3(0.0f, 0.0f, 0.0f);
     glm::vec3 sphereCenter = coneCenter + coneEdge * sphereDistance;
     float result = coneSphereAngle(coneCenter, u, sphereCenter, sphereRadius);
-    QCOMPARE(isnan(result), false);
+    QCOMPARE(glm::isnan(result), false);
     QCOMPARE(result < coneAngle, true);
 
     // push sphere outward from edge so it is tangent to the cone.
     glm::vec3 sphereOffset = glm::angleAxis(PI / 2.0f, w) * coneEdge;
     sphereCenter += sphereOffset * sphereRadius;
     result = coneSphereAngle(coneCenter, u, sphereCenter, sphereRadius);
-    QCOMPARE(isnan(result), false);
+    QCOMPARE(glm::isnan(result), false);
     QCOMPARE_WITH_ABS_ERROR(result, coneAngle, 0.001f);
 
     // push sphere outward from edge a bit further, so it is outside of the cone.
     sphereCenter += 0.1f * sphereOffset;
     result = coneSphereAngle(coneCenter, u, sphereCenter, sphereRadius);
-    QCOMPARE(isnan(result), false);
+    QCOMPARE(glm::isnan(result), false);
     QCOMPARE(result > coneAngle, true);
 }
 
diff --git a/tests/shared/src/PathUtilsTests.cpp b/tests/shared/src/PathUtilsTests.cpp
index 1c445908f7..3aec4fa5f9 100644
--- a/tests/shared/src/PathUtilsTests.cpp
+++ b/tests/shared/src/PathUtilsTests.cpp
@@ -16,12 +16,8 @@
 QTEST_MAIN(PathUtilsTests)
 
 void PathUtilsTests::testPathUtils() {
-    QString result = PathUtils::qmlBasePath();
-#if DEV_BUILD
-    QVERIFY(result.startsWith("file:///"));
-#else
+    QString result = PathUtils::qmlBaseUrl();
     QVERIFY(result.startsWith("qrc:///"));
-#endif
     QVERIFY(result.endsWith("/"));
 }