diff --git a/SConstruct b/SConstruct
index 0fe2bf9..5d47bf5 100644
--- a/SConstruct
+++ b/SConstruct
@@ -178,17 +178,13 @@
                              -fno-strict-aliasing
                              -Wall
                              -Wclobbered
-                             -Wclobbered
-                             -Wempty-body
                              -Wempty-body
                              -Werror
                              -Wignored-qualifiers
-                             -Wignored-qualifiers
                              -Wmissing-field-initializers
                              -Wno-format
                              -Wsign-compare
                              -Wtype-limits
-                             -Wtype-limits
                              -Wuninitialized
                              -D__STDC_FORMAT_MACROS=1
                              -D_FILE_OFFSET_BITS=64