diff --git a/compiler/GHC/Builtin/primops.txt.pp b/compiler/GHC/Builtin/primops.txt.pp
index acee822b0cf0e66faa021d0eb3ac87ef3ac6ccf8..74abca2927e3f1f2001bcdcbab99f029ca7f478c 100644
--- a/compiler/GHC/Builtin/primops.txt.pp
+++ b/compiler/GHC/Builtin/primops.txt.pp
@@ -3519,8 +3519,7 @@ primop PrefetchAddrOp3 "prefetchAddr3#" GenPrimOp
 
 primop PrefetchValueOp3 "prefetchValue3#" GenPrimOp
    a -> State# s -> State# s
-   with strictness  = { \ _arity -> mkClosedStrictSig [botDmd, topDmd] topDiv }
-        has_side_effects =  True
+   with has_side_effects =  True
 ----
 
 primop PrefetchByteArrayOp2 "prefetchByteArray2#" GenPrimOp
@@ -3537,8 +3536,7 @@ primop PrefetchAddrOp2 "prefetchAddr2#" GenPrimOp
 
 primop PrefetchValueOp2 "prefetchValue2#" GenPrimOp
    a ->  State# s -> State# s
-   with strictness  = { \ _arity -> mkClosedStrictSig [botDmd, topDmd] topDiv }
-        has_side_effects =  True
+   with has_side_effects =  True
 ----
 
 primop PrefetchByteArrayOp1 "prefetchByteArray1#" GenPrimOp
@@ -3555,8 +3553,7 @@ primop PrefetchAddrOp1 "prefetchAddr1#" GenPrimOp
 
 primop PrefetchValueOp1 "prefetchValue1#" GenPrimOp
    a -> State# s -> State# s
-   with strictness  = { \ _arity -> mkClosedStrictSig [botDmd, topDmd] topDiv }
-        has_side_effects =  True
+   with has_side_effects =  True
 ----
 
 primop PrefetchByteArrayOp0 "prefetchByteArray0#" GenPrimOp
@@ -3573,8 +3570,7 @@ primop PrefetchAddrOp0 "prefetchAddr0#" GenPrimOp
 
 primop PrefetchValueOp0 "prefetchValue0#" GenPrimOp
    a -> State# s -> State# s
-   with strictness  = { \ _arity -> mkClosedStrictSig [botDmd, topDmd] topDiv }
-        has_side_effects =  True
+   with has_side_effects =  True
 
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