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-rw-r--r--compiler/GHC/StgToCmm/Prim.hs3
1 files changed, 0 insertions, 3 deletions
diff --git a/compiler/GHC/StgToCmm/Prim.hs b/compiler/GHC/StgToCmm/Prim.hs
index 5d459ba7ad..c4e6726411 100644
--- a/compiler/GHC/StgToCmm/Prim.hs
+++ b/compiler/GHC/StgToCmm/Prim.hs
@@ -1584,9 +1584,6 @@ emitPrimOp cfg primop =
ReadMVarOp -> alwaysExternal
TryReadMVarOp -> alwaysExternal
IsEmptyMVarOp -> alwaysExternal
- NewIOPortOp -> alwaysExternal
- ReadIOPortOp -> alwaysExternal
- WriteIOPortOp -> alwaysExternal
DelayOp -> alwaysExternal
WaitReadOp -> alwaysExternal
WaitWriteOp -> alwaysExternal