diff --git a/src/nouveau/compiler/nak_encode_sm75.rs b/src/nouveau/compiler/nak_encode_sm75.rs
index 580c2b9ccb3..00f262b007d 100644
--- a/src/nouveau/compiler/nak_encode_sm75.rs
+++ b/src/nouveau/compiler/nak_encode_sm75.rs
@@ -1150,7 +1150,7 @@ impl SM75Instr {
                 77..79,
                 match scope {
                     MemScope::CTA => 0_u8,
-                    MemScope::Cluster => 1_u8,
+                    /* SM => 1_u8, */
                     MemScope::GPU => 2_u8,
                     MemScope::System => 3_u8,
                 },
@@ -1561,7 +1561,7 @@ impl SM75Instr {
             76..79,
             match op.scope {
                 MemScope::CTA => 0_u8,
-                MemScope::Cluster => 1_u8,
+                /* SM => 1_u8, */
                 MemScope::GPU => 2_u8,
                 MemScope::System => 3_u8,
             },
diff --git a/src/nouveau/compiler/nak_ir.rs b/src/nouveau/compiler/nak_ir.rs
index 238e922b8cb..586c4d0c4c8 100644
--- a/src/nouveau/compiler/nak_ir.rs
+++ b/src/nouveau/compiler/nak_ir.rs
@@ -1766,7 +1766,6 @@ impl fmt::Display for MemOrder {
 #[derive(Clone, Copy, Eq, Hash, PartialEq)]
 pub enum MemScope {
     CTA,
-    Cluster,
     GPU,
     System,
 }
@@ -1775,7 +1774,6 @@ impl fmt::Display for MemScope {
     fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
         match self {
             MemScope::CTA => write!(f, "CTA"),
-            MemScope::Cluster => write!(f, "SM"),
             MemScope::GPU => write!(f, "GPU"),
             MemScope::System => write!(f, "SYS"),
         }