diff --git a/cmake/CodeQualityUtils.cmake b/cmake/CodeQualityUtils.cmake
index 9135786eb..3c98e3d5a 100644
--- a/cmake/CodeQualityUtils.cmake
+++ b/cmake/CodeQualityUtils.cmake
@@ -1,25 +1,25 @@
 # These tools are run (for now) only if BUILD_TESTING is ON
 # Another useful tool could be clazy compiler too
 
 # Run cppcheck on the code
 find_program(CPPCHECK_EXE NAMES cppcheck)
 if(CPPCHECK_EXE)
     set(CMAKE_CXX_CPPCHECK ${CPPCHECK_EXE})
     list(
         APPEND CMAKE_CXX_CPPCHECK 
             "--enable=all"
             "--inconclusive"
             "--force" 
             "--inline-suppr"
     )
 endif()
 
 # Run clang-tidy
 find_program(CLANG_TIDY_EXE NAMES clang-tidy)
 if(CLANG_TIDY_EXE)
     set(CMAKE_CXX_CLANG_TIDY ${CLANG_TIDY_EXE})
     list(
         APPEND CMAKE_CXX_CLANG_TIDY
-            "-checks=*,-fuchsia*,-google*,-hicpp*,-llvm*,-cppcoreguidelines-*,-modernize-use-auto,-readability-braces-around-statements,-readability-static-accessed-through-instance,-readability-magic-numbers"
+            "-checks=*,-fuchsia*,-google*,-hicpp*,-llvm*,-cppcoreguidelines-*,-modernize-use-auto,-readability-*"
         )
 endif()
diff --git a/src/core/synth/linearSynthesis.cpp b/src/core/synth/linearSynthesis.cpp
index 4c9c621a9..9d458426c 100644
--- a/src/core/synth/linearSynthesis.cpp
+++ b/src/core/synth/linearSynthesis.cpp
@@ -1,68 +1,68 @@
 /* miniSynth - A Simple Software Synthesizer
    Copyright (C) 2015 Ville Räisänen <vsr at vsr.name>
 
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation, either version 3 of the License, or
    (at your option) any later version.
 
    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.
 
    You should have received a copy of the GNU General Public License
    along with this program.  If not, see <https://www.gnu.org/licenses/>.
 */
 
 #include "linearSynthesis.h"
 #include <QDebug>
 
 LinearSynthesis::LinearSynthesis(unsigned int mode, unsigned int size) :
     Waveform(mode, size) {
 
     numHarmonics = 16;
 
     timbreAmplitudes = new int[numHarmonics];
     timbrePhases     = new int[numHarmonics];
 
     timbreAmplitudes[0] = 100;
 }
 
 void
 LinearSynthesis::setTimbre(QVector<int> &amplitudes, QVector<int> &phases) {
     Q_ASSERT(amplitudes.size() == phases.size());
 
     delete[] timbreAmplitudes;
     delete[] timbrePhases;
 
     numHarmonics = amplitudes.size();
     timbreAmplitudes = new int[numHarmonics];
     timbrePhases = new int[numHarmonics];
-    for(int i = 0 ; i < numHarmonics ; ++ i) {
+    for(unsigned int i = 0 ; i < numHarmonics ; ++ i) {
         timbreAmplitudes[i] = amplitudes[i];
         timbrePhases[i] = phases[i];
     }
 }
 
 LinearSynthesis::~LinearSynthesis() {
     delete[] timbreAmplitudes;
     delete[] timbrePhases;
 }
 
 qreal
 LinearSynthesis::evalTimbre(qreal t) {
     qreal val = 0;
     for (unsigned int harm = 0; harm < numHarmonics; harm++) {
         int qa_int = timbreAmplitudes[harm];
         int qp_int = timbrePhases[harm];
 
         if (qa_int > 0) {
             qreal qa = (qreal)qa_int/100;
             qreal qp = (2*M_PI*(qreal)qp_int)/360;
 
             val += qa * eval(((qreal)harm + 1) * t - qp);
         }
     }
     return val;
 }