diff --git a/modules/juce_core/system/juce_PlatformDefs.h b/modules/juce_core/system/juce_PlatformDefs.h
index 0639d25440..5fee628625 100644
--- a/modules/juce_core/system/juce_PlatformDefs.h
+++ b/modules/juce_core/system/juce_PlatformDefs.h
@@ -142,14 +142,14 @@ namespace juce
       that have important side-effects!
       @see Logger::outputDebugString
   */
-  #define DBG(textToWrite)          JUCE_BLOCK_WITH_FORCED_SEMICOLON (juce::String tempDbgBuf; tempDbgBuf << textToWrite; juce::Logger::outputDebugString (tempDbgBuf);)
+  #define DBG(textToWrite)              JUCE_BLOCK_WITH_FORCED_SEMICOLON (juce::String tempDbgBuf; tempDbgBuf << textToWrite; juce::Logger::outputDebugString (tempDbgBuf);)
 
   //==============================================================================
   /** This will always cause an assertion failure.
       It is only compiled in a debug build, (unless JUCE_LOG_ASSERTIONS is enabled for your build).
       @see jassert
   */
-  #define jassertfalse              JUCE_BLOCK_WITH_FORCED_SEMICOLON (JUCE_LOG_CURRENT_ASSERTION; if (juce::juce_isRunningUnderDebugger()) JUCE_BREAK_IN_DEBUGGER; JUCE_ANALYZER_NORETURN)
+  #define jassertfalse                  JUCE_BLOCK_WITH_FORCED_SEMICOLON (JUCE_LOG_CURRENT_ASSERTION; if (juce::juce_isRunningUnderDebugger()) JUCE_BREAK_IN_DEBUGGER; JUCE_ANALYZER_NORETURN)
 
   //==============================================================================
   /** Platform-independent assertion macro.
@@ -159,19 +159,29 @@ namespace juce
       correct behaviour of your program!
       @see jassertfalse
   */
-  #define jassert(expression)       JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
+  #define jassert(expression)           JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
+
+  /** Platform-independent assertion macro which suppresses ignored-variable
+      warnings in all build modes. You should probably use a plain jassert()
+      by default, and only replace it with jassertquiet() once you've
+      convinced yourself that any unused-variable warnings emitted by the
+      compiler are harmless.
+  */
+  #define jassertquiet(expression)      JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
 
 #else
   //==============================================================================
   // If debugging is disabled, these dummy debug and assertion macros are used..
 
   #define DBG(textToWrite)
-  #define jassertfalse              JUCE_BLOCK_WITH_FORCED_SEMICOLON (JUCE_LOG_CURRENT_ASSERTION)
+  #define jassertfalse                  JUCE_BLOCK_WITH_FORCED_SEMICOLON (JUCE_LOG_CURRENT_ASSERTION)
 
   #if JUCE_LOG_ASSERTIONS
-   #define jassert(expression)      JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
+   #define jassert(expression)          JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
+   #define jassertquiet(expression)     JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (! (expression)) jassertfalse;)
   #else
-   #define jassert(expression)      JUCE_BLOCK_WITH_FORCED_SEMICOLON ( ; )
+   #define jassert(expression)          JUCE_BLOCK_WITH_FORCED_SEMICOLON ( ; )
+   #define jassertquiet(expression)     JUCE_BLOCK_WITH_FORCED_SEMICOLON (if (false) (void) (expression);)
   #endif
 
 #endif