diff --git a/Compiler/src/Builtins.cpp b/Compiler/src/Builtins.cpp
index 14cfd168..12b45290 100644
--- a/Compiler/src/Builtins.cpp
+++ b/Compiler/src/Builtins.cpp
@@ -4,7 +4,7 @@
 #include "Luau/Bytecode.h"
 #include "Luau/Compiler.h"
 
-LUAU_FASTFLAGVARIABLE(LuauBit32ByteswapBuiltin, true)
+LUAU_FASTFLAGVARIABLE(LuauBit32ByteswapBuiltin, false)
 
 namespace Luau
 {
diff --git a/VM/src/lbitlib.cpp b/VM/src/lbitlib.cpp
index f69b23ce..eff7120a 100644
--- a/VM/src/lbitlib.cpp
+++ b/VM/src/lbitlib.cpp
@@ -5,7 +5,7 @@
 #include "lcommon.h"
 #include "lnumutils.h"
 
-LUAU_FASTFLAGVARIABLE(LuauBit32Byteswap, true)
+LUAU_FASTFLAGVARIABLE(LuauBit32Byteswap, false)
 
 #define ALLONES ~0u
 #define NBITS int(8 * sizeof(unsigned))