diff --git a/interface/src/scripting/AssetMappingsScriptingInterface.cpp b/interface/src/scripting/AssetMappingsScriptingInterface.cpp
index dc227c21ba..4bc8ec0bd3 100644
--- a/interface/src/scripting/AssetMappingsScriptingInterface.cpp
+++ b/interface/src/scripting/AssetMappingsScriptingInterface.cpp
@@ -140,7 +140,7 @@ void AssetMappingsScriptingInterface::deleteMappings(QStringList paths, QJSValue
     auto assetClient = DependencyManager::get<AssetClient>();
     auto request = assetClient->createDeleteMappingsRequest(paths);
 
-    connect(request, &DeleteMappingsRequest::finished, this, [this, callback](DeleteMappingsRequest* request) mutable {
+    connect(request, &DeleteMappingsRequest::finished, this, [callback](DeleteMappingsRequest* request) mutable {
         if (callback.isCallable()) {
             QJSValueList args { request->getErrorString() };
             callback.call(args);
@@ -156,7 +156,7 @@ void AssetMappingsScriptingInterface::getAllMappings(QJSValue callback) {
     auto assetClient = DependencyManager::get<AssetClient>();
     auto request = assetClient->createGetAllMappingsRequest();
 
-    connect(request, &GetAllMappingsRequest::finished, this, [this, callback](GetAllMappingsRequest* request) mutable {
+    connect(request, &GetAllMappingsRequest::finished, this, [callback](GetAllMappingsRequest* request) mutable {
         auto mappings = request->getMappings();
         auto map = callback.engine()->newObject();
 
@@ -179,7 +179,7 @@ void AssetMappingsScriptingInterface::renameMapping(QString oldPath, QString new
     auto assetClient = DependencyManager::get<AssetClient>();
     auto request = assetClient->createRenameMappingRequest(oldPath, newPath);
 
-    connect(request, &RenameMappingRequest::finished, this, [this, callback](RenameMappingRequest* request) mutable {
+    connect(request, &RenameMappingRequest::finished, this, [callback](RenameMappingRequest* request) mutable {
         if (callback.isCallable()) {
             QJSValueList args{ request->getErrorString() };
             callback.call(args);
@@ -195,7 +195,7 @@ void AssetMappingsScriptingInterface::setBakingEnabled(QStringList paths, bool e
     auto assetClient = DependencyManager::get<AssetClient>();
     auto request = assetClient->createSetBakingEnabledRequest(paths, enabled);
 
-    connect(request, &SetBakingEnabledRequest::finished, this, [this, callback](SetBakingEnabledRequest* request) mutable {
+    connect(request, &SetBakingEnabledRequest::finished, this, [callback](SetBakingEnabledRequest* request) mutable {
         if (callback.isCallable()) {
             QJSValueList args{ request->getErrorString() };
             callback.call(args);
diff --git a/libraries/networking/src/BaseAssetScriptingInterface.cpp b/libraries/networking/src/BaseAssetScriptingInterface.cpp
index 3149bbc768..066331f927 100644
--- a/libraries/networking/src/BaseAssetScriptingInterface.cpp
+++ b/libraries/networking/src/BaseAssetScriptingInterface.cpp
@@ -233,7 +233,7 @@ Promise BaseAssetScriptingInterface::downloadBytes(QString hash) {
     QPointer<AssetRequest> assetRequest = assetClient()->createRequest(hash);
     Promise deferred = makePromise(__FUNCTION__);
 
-    QObject::connect(assetRequest, &AssetRequest::finished, assetRequest, [this, deferred](AssetRequest* request) {
+    QObject::connect(assetRequest, &AssetRequest::finished, assetRequest, [deferred](AssetRequest* request) {
         // note: we are now on the "Resource Manager" thread
         Q_ASSERT(QThread::currentThread() == request->thread());
         Q_ASSERT(request->getState() == AssetRequest::Finished);
diff --git a/libraries/render-utils/src/AnimDebugDraw.cpp b/libraries/render-utils/src/AnimDebugDraw.cpp
index 12e8a97fb7..67d1e2e36e 100644
--- a/libraries/render-utils/src/AnimDebugDraw.cpp
+++ b/libraries/render-utils/src/AnimDebugDraw.cpp
@@ -9,7 +9,6 @@
 
 #include "AnimDebugDraw.h"
 
-#include <gpu/Shader.h>
 #include <gpu/Batch.h>
 #include <GLMHelpers.h>
 
diff --git a/libraries/script-engine/src/AssetScriptingInterface.cpp b/libraries/script-engine/src/AssetScriptingInterface.cpp
index 1c811573fb..1a88fbe959 100644
--- a/libraries/script-engine/src/AssetScriptingInterface.cpp
+++ b/libraries/script-engine/src/AssetScriptingInterface.cpp
@@ -50,7 +50,7 @@ void AssetScriptingInterface::uploadData(QString data, QScriptValue callback) {
         jsCallback(handler, url, hash);
     });
 
-    connect(upload, &AssetUpload::finished, upload, [this, deferred](AssetUpload* upload, const QString& hash) {
+    connect(upload, &AssetUpload::finished, upload, [deferred](AssetUpload* upload, const QString& hash) {
         // we are now on the "Resource Manager" thread (and "hash" being a *reference* makes it unsafe to use directly)
         Q_ASSERT(QThread::currentThread() == upload->thread());
         deferred->resolve({
@@ -70,7 +70,7 @@ void AssetScriptingInterface::setMapping(QString path, QString hash, QScriptValu
         jsCallback(handler, error, result);
     });
 
-    connect(setMappingRequest, &SetMappingRequest::finished, setMappingRequest, [this, deferred](SetMappingRequest* request) {
+    connect(setMappingRequest, &SetMappingRequest::finished, setMappingRequest, [deferred](SetMappingRequest* request) {
         Q_ASSERT(QThread::currentThread() == request->thread());
         // we are now on the "Resource Manager" thread
         QString error = request->getErrorString();
@@ -102,7 +102,7 @@ void AssetScriptingInterface::downloadData(QString urlString, QScriptValue callb
         jsCallback(handler, result.value("data").toString(), { { "errorMessage", error } });
     });
 
-    connect(assetRequest, &AssetRequest::finished, assetRequest, [this, deferred](AssetRequest* request) {
+    connect(assetRequest, &AssetRequest::finished, assetRequest, [deferred](AssetRequest* request) {
         Q_ASSERT(QThread::currentThread() == request->thread());
         // we are now on the "Resource Manager" thread
         Q_ASSERT(request->getState() == AssetRequest::Finished);
@@ -128,7 +128,7 @@ void AssetScriptingInterface::setBakingEnabled(QString path, bool enabled, QScri
 
     Promise deferred = jsPromiseReady(makePromise(__FUNCTION__), thisObject(), callback);
 
-    connect(setBakingEnabledRequest, &SetBakingEnabledRequest::finished, setBakingEnabledRequest, [this, deferred](SetBakingEnabledRequest* request) {
+    connect(setBakingEnabledRequest, &SetBakingEnabledRequest::finished, setBakingEnabledRequest, [deferred](SetBakingEnabledRequest* request) {
         Q_ASSERT(QThread::currentThread() == request->thread());
         // we are now on the "Resource Manager" thread
 
diff --git a/libraries/shared/src/shared/MiniPromises.h b/libraries/shared/src/shared/MiniPromises.h
index 5983f135b7..30b57ad7b8 100644
--- a/libraries/shared/src/shared/MiniPromises.h
+++ b/libraries/shared/src/shared/MiniPromises.h
@@ -103,7 +103,7 @@ public:
         return self();
     }
     Promise fail(ErrorFunction errorOnly) {
-        return fail([this, errorOnly](QString error, QVariantMap result) {
+        return fail([errorOnly](QString error, QVariantMap result) {
             errorOnly(error);
         });
     }
@@ -122,7 +122,7 @@ public:
     }
 
     Promise then(SuccessFunction successOnly) {
-        return then([this, successOnly](QString error, QVariantMap result) {
+        return then([successOnly](QString error, QVariantMap result) {
             successOnly(result);
         });
     }
diff --git a/tools/ktx-tool/src/main.cpp b/tools/ktx-tool/src/main.cpp
index f0996523b3..1ef03ba80b 100644
--- a/tools/ktx-tool/src/main.cpp
+++ b/tools/ktx-tool/src/main.cpp
@@ -70,13 +70,6 @@ void messageHandler(QtMsgType type, const QMessageLogContext& context, const QSt
     std::cout << message.toStdString() << std::endl;
 }
 
-static inline glm::uvec2 evalMipDimension(uint32_t mipLevel, const glm::uvec2& dims) {
-    return glm::uvec2{
-        std::max(dims.x >> mipLevel, 1U),
-        std::max(dims.y >> mipLevel, 1U),
-    };
-}
-
 void processKtxFile(const QFileInfo& inputFileInfo) {
     const QString inputFileName = inputFileInfo.absoluteFilePath();
     const QString compressedFileName = DEST_FOLDER.absoluteFilePath(inputFileInfo.fileName());