diff --git a/src/nouveau/codegen/nv50_ir.h b/src/nouveau/codegen/nv50_ir.h
index 235c9f44197..272bbda3b33 100644
--- a/src/nouveau/codegen/nv50_ir.h
+++ b/src/nouveau/codegen/nv50_ir.h
@@ -1260,7 +1260,6 @@ public:
    inline LValue *getLValue(int id);
 
    void buildLiveSets();
-   void buildDefSets();
    bool convertToSSA();
 
 public:
diff --git a/src/nouveau/codegen/nv50_ir_bb.cpp b/src/nouveau/codegen/nv50_ir_bb.cpp
index 94c0f144945..d6bec119750 100644
--- a/src/nouveau/codegen/nv50_ir_bb.cpp
+++ b/src/nouveau/codegen/nv50_ir_bb.cpp
@@ -438,16 +438,6 @@ Function::buildLiveSets()
       BasicBlock::get(bi)->liveSet.marker = false;
 }
 
-void
-Function::buildDefSets()
-{
-   for (unsigned i = 0; i <= loopNestingBound; ++i)
-      buildDefSetsPreSSA(BasicBlock::get(cfgExit), cfg.nextSequence());
-
-   for (ArrayList::Iterator bi = allBBlocks.iterator(); !bi.end(); bi.next())
-      BasicBlock::get(bi)->liveSet.marker = false;
-}
-
 bool
 Pass::run(Program *prog, bool ordered, bool skipPhi)
 {