diff --git a/build/exe.mk b/build/exe.mk
index 22c8b044..96b1b5d9 100644
--- a/build/exe.mk
+++ b/build/exe.mk
@@ -41,9 +41,9 @@ PROGRAM         = $(BINPATH)/$(PROGRAM_NAME)
 DEBUG_PROGRAM   = $(DEBUG_BINPATH)/$(PROGRAM_NAME)
 RELEASE_PROGRAM = $(RELEASE_BINPATH)/$(PROGRAM_NAME)
 
-debug   : CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -W -Wall -Wextra -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-valgrind: CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -DFLAC__VALGRIND_TESTING -W -Wall -Wextra -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(CONFIG_CFLAGS) $(RELEASE_CFLAGS) -W -Wall -Wextra -Winline -DFLaC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+debug   : CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -W -Wall -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+valgrind: CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -DFLAC__VALGRIND_TESTING -W -Wall -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(CONFIG_CFLAGS) $(RELEASE_CFLAGS) -W -Wall -Winline -DFLaC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
 
 LFLAGS  = -L$(LIBPATH)
 
diff --git a/build/lib.mk b/build/lib.mk
index c49b7ccc..5a08d8d0 100644
--- a/build/lib.mk
+++ b/build/lib.mk
@@ -56,9 +56,9 @@ else
 LINKD       = $(CC) -shared
 endif
 
-debug   : CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -W -Wall -Wextra -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-valgrind: CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -DFLAC__VALGRIND_TESTING -W -Wall -Wextra -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
-release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(CONFIG_CFLAGS) $(RELEASE_CFLAGS) -W -Wall -Wextra -Winline -DFLaC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+debug   : CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -W -Wall -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+valgrind: CFLAGS = -g -O0 -DDEBUG $(CONFIG_CFLAGS) $(DEBUG_CFLAGS) -DFLAC__VALGRIND_TESTING -W -Wall -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
+release : CFLAGS = -O3 -fomit-frame-pointer -funroll-loops -finline-functions -DNDEBUG $(CONFIG_CFLAGS) $(RELEASE_CFLAGS) -W -Wall -Winline -DFLaC__INLINE=__inline__ -DVERSION=$(VERSION) $(DEFINES) $(INCLUDES)
 
 LFLAGS  = -L$(LIBPATH)