diff --git a/source/backend/engine/CarlaEngine.cpp b/source/backend/engine/CarlaEngine.cpp
index 147ef3dbe..67d9462d4 100644
--- a/source/backend/engine/CarlaEngine.cpp
+++ b/source/backend/engine/CarlaEngine.cpp
@@ -2127,7 +2127,7 @@ bool CarlaEngine::loadProjectInternal(juce::XmlDocument& xmlDoc)
             case PLUGIN_SF2:
                 if (CarlaString(stateSave.label).endsWith(" (16 outs)"))
                     extraStuff = kTrue;
-                // nobreak
+                // fall through
             case PLUGIN_LADSPA:
             case PLUGIN_DSSI:
             case PLUGIN_VST2:
diff --git a/source/backend/plugin/CarlaPluginLV2.cpp b/source/backend/plugin/CarlaPluginLV2.cpp
index 02d255032..8aa57e9ec 100644
--- a/source/backend/plugin/CarlaPluginLV2.cpp
+++ b/source/backend/plugin/CarlaPluginLV2.cpp
@@ -1550,7 +1550,7 @@ public:
                 break;
             case CarlaPipeServerLV2::UiHide:
                 fPipeServer.stopPipeServer(2000);
-                // nobreak
+                // fall through
             case CarlaPipeServerLV2::UiCrashed:
                 pData->transientTryCounter = 0;
                 pData->engine->callback(ENGINE_CALLBACK_UI_STATE_CHANGED, pData->id, 0, 0, 0.0f, nullptr);
diff --git a/source/backend/plugin/CarlaPluginLinuxSampler.cpp b/source/backend/plugin/CarlaPluginLinuxSampler.cpp
index ce843ef50..9f2e16373 100644
--- a/source/backend/plugin/CarlaPluginLinuxSampler.cpp
+++ b/source/backend/plugin/CarlaPluginLinuxSampler.cpp
@@ -33,8 +33,24 @@
 
 #include "juce_core/juce_core.h"
 
+// -----------------------------------------------------------------------
+
+#if defined(__clang__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wdeprecated"
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated"
+#endif
+
 #include <linuxsampler/Sampler.h>
 
+#if defined(__clang__)
+# pragma clang diagnostic pop
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic pop
+#endif
+
 // -----------------------------------------------------------------------
 
 namespace LinuxSampler {
diff --git a/source/includes/linuxsampler/EngineFactory.h b/source/includes/linuxsampler/EngineFactory.h
index 8e01470d0..46cfe033c 100644
--- a/source/includes/linuxsampler/EngineFactory.h
+++ b/source/includes/linuxsampler/EngineFactory.h
@@ -21,11 +21,19 @@
 #ifndef __LS_ENGINEFACTORY_H__
 #define __LS_ENGINEFACTORY_H__
 
-#include <linuxsampler/engines/Engine.h>
-
 #include <set>
 #include <vector>
 
+#if defined(__clang__)
+# pragma clang diagnostic push
+# pragma clang diagnostic ignored "-Wdeprecated"
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Wdeprecated"
+#endif
+
+#include <linuxsampler/engines/Engine.h>
+
 namespace LinuxSampler {
 
 class EngineFactory {
@@ -43,4 +51,10 @@ protected:
 
 } // namespace LinuxSampler
 
+#if defined(__clang__)
+# pragma clang diagnostic pop
+#elif defined(__GNUC__) && (__GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6))
+# pragma GCC diagnostic pop
+#endif
+
 #endif // __LS_ENGINEFACTORY_H__
diff --git a/source/interposer/libjack.cpp b/source/interposer/libjack.cpp
index 1728779ca..8102fd221 100644
--- a/source/interposer/libjack.cpp
+++ b/source/interposer/libjack.cpp
@@ -1064,7 +1064,7 @@ int jack_activate(jack_client_t* client)
 }
 
 CARLA_EXPORT
-int jack_deactivate(jack_client_t* client)
+int jack_deactivate(jack_client_t* /*client*/)
 {
     carla_stdout("CarlaJackClient :: %s", __FUNCTION__);
 
@@ -1636,8 +1636,6 @@ int jack_port_connected(const jack_port_t*)
 
 CARLA_EXPORT
 const char* JACK_METADATA_PRETTY_NAME;
-
-CARLA_EXPORT
 const char* JACK_METADATA_PRETTY_NAME = "http://jackaudio.org/metadata/pretty-name";
 
 // jack_ringbuffer_create
diff --git a/source/native-plugins/distrho-kars/DistrhoPluginKars.cpp b/source/native-plugins/distrho-kars/DistrhoPluginKars.cpp
index e7ba94ed9..1d2ce6135 100644
--- a/source/native-plugins/distrho-kars/DistrhoPluginKars.cpp
+++ b/source/native-plugins/distrho-kars/DistrhoPluginKars.cpp
@@ -111,7 +111,7 @@ void DistrhoPluginKars::run(const float**, float** outputs, uint32_t frames, con
                     fNotes[note].velocity = velo;
                     break;
                 }
-                // nobreak
+                // fall through
             case 0x80:
                 note = data[1];
                 DISTRHO_SAFE_ASSERT_BREAK(note < 128); // kMaxNotes
diff --git a/source/native-plugins/midi-pattern.cpp b/source/native-plugins/midi-pattern.cpp
index f65365188..3f802f766 100644
--- a/source/native-plugins/midi-pattern.cpp
+++ b/source/native-plugins/midi-pattern.cpp
@@ -198,7 +198,7 @@ protected:
                 fTimeSigNum = 2;
             else
                 fTimeSigNum = 1;
-            // nobreak
+            // fall through
         case kParameterMeasures:
             fMaxTicks = 48.0*fTimeSigNum*fParameters[kParameterMeasures] /2; // FIXME: why /2 ?
             break;
diff --git a/source/theme/CarlaStyle.cpp b/source/theme/CarlaStyle.cpp
index 867671709..728f34b63 100644
--- a/source/theme/CarlaStyle.cpp
+++ b/source/theme/CarlaStyle.cpp
@@ -1373,6 +1373,7 @@ void CarlaStyle::drawControl(ControlElement element, const QStyleOption *option,
             painter->restore();
             return;
         }
+        break;
     case CE_SizeGrip:
         painter->save();
     {
@@ -3681,11 +3682,13 @@ QRect CarlaStyle::subControlRect(ComplexControl control, const QStyleOptionCompl
             case SC_TitleBarContextHelpButton:
                 if (tb->titleBarFlags & Qt::WindowContextHelpButtonHint)
                     offset += delta;
+                // fall through
             case SC_TitleBarMinButton:
                 if (!isMinimized && (tb->titleBarFlags & Qt::WindowMinimizeButtonHint))
                     offset += delta;
                 else if (sc == SC_TitleBarMinButton)
                     break;
+                // fall through
             case SC_TitleBarNormalButton:
                 if (isMinimized && (tb->titleBarFlags & Qt::WindowMinimizeButtonHint))
                     offset += delta;
@@ -3693,21 +3696,25 @@ QRect CarlaStyle::subControlRect(ComplexControl control, const QStyleOptionCompl
                     offset += delta;
                 else if (sc == SC_TitleBarNormalButton)
                     break;
+                // fall through
             case SC_TitleBarMaxButton:
                 if (!isMaximized && (tb->titleBarFlags & Qt::WindowMaximizeButtonHint))
                     offset += delta;
                 else if (sc == SC_TitleBarMaxButton)
                     break;
+                // fall through
             case SC_TitleBarShadeButton:
                 if (!isMinimized && (tb->titleBarFlags & Qt::WindowShadeButtonHint))
                     offset += delta;
                 else if (sc == SC_TitleBarShadeButton)
                     break;
+                // fall through
             case SC_TitleBarUnshadeButton:
                 if (isMinimized && (tb->titleBarFlags & Qt::WindowShadeButtonHint))
                     offset += delta;
                 else if (sc == SC_TitleBarUnshadeButton)
                     break;
+                // fall through
             case SC_TitleBarCloseButton:
                 if (tb->titleBarFlags & Qt::WindowSystemMenuHint)
                     offset += delta;