diff --git a/src/arch/arm/isa/insts/misc.isa b/src/arch/arm/isa/insts/misc.isa
index b42c9f9..80ad6cd 100644
--- a/src/arch/arm/isa/insts/misc.isa
+++ b/src/arch/arm/isa/insts/misc.isa
@@ -1090,8 +1090,7 @@
     dsbIop = InstObjParams("dsb", "Dsb", "ImmOp",
                              {"code": dsbCode,
                                "predicate_test": predicateTest},
-                              ['IsMemBarrier', 'IsSerializeAfter',
-                               'IsSquashAfter'])
+                              ['IsMemBarrier', 'IsSerializeAfter'])
     header_output += ImmOpDeclare.subst(dsbIop)
     decoder_output += ImmOpConstructor.subst(dsbIop)
     exec_output += PredOpExecute.subst(dsbIop)
diff --git a/src/arch/arm/isa/insts/misc64.isa b/src/arch/arm/isa/insts/misc64.isa
index ac9f0a9..58f08f5 100644
--- a/src/arch/arm/isa/insts/misc64.isa
+++ b/src/arch/arm/isa/insts/misc64.isa
@@ -146,8 +146,7 @@
     exec_output += BasicExecute.subst(isbIop)
 
     dsbIop = InstObjParams("dsb", "Dsb64", "ArmStaticInst", "",
-                           ['IsMemBarrier', 'IsSerializeAfter',
-                            'IsSquashAfter'])
+                           ['IsMemBarrier', 'IsSerializeAfter'])
     header_output += BasicDeclare.subst(dsbIop)
     decoder_output += BasicConstructor64.subst(dsbIop)
     exec_output += BasicExecute.subst(dsbIop)