diff --git a/include/llvm/Instruction.h b/include/llvm/Instruction.h
index 88f5ce1b262..89bb9fdf423 100644
--- a/include/llvm/Instruction.h
+++ b/include/llvm/Instruction.h
@@ -200,11 +200,10 @@ public:
   ///
   ///   Associative operators satisfy:  x op (y op z) === (x op y) op z
   ///
-  /// In LLVM, the Add, Mul, And, Or, and Xor operators are associative, when
-  /// not applied to floating point types.
+  /// In LLVM, the Add, Mul, And, Or, and Xor operators are associative.
   ///
-  bool isAssociative() const { return isAssociative(getOpcode(), getType()); }
-  static bool isAssociative(unsigned op, const Type *Ty);
+  bool isAssociative() const { return isAssociative(getOpcode()); }
+  static bool isAssociative(unsigned op);
 
   /// isCommutative - Return true if the instruction is commutative:
   ///
diff --git a/lib/VMCore/ConstantFold.cpp b/lib/VMCore/ConstantFold.cpp
index 2309f2274bf..5c284b746de 100644
--- a/lib/VMCore/ConstantFold.cpp
+++ b/lib/VMCore/ConstantFold.cpp
@@ -1338,8 +1338,7 @@ Constant *llvm::ConstantFoldBinaryInstruction(unsigned Opcode,
 
     // Given ((a + b) + c), if (b + c) folds to something interesting, return
     // (a + (b + c)).
-    if (Instruction::isAssociative(Opcode, C1->getType()) &&
-        CE1->getOpcode() == Opcode) {
+    if (Instruction::isAssociative(Opcode) && CE1->getOpcode() == Opcode) {
       Constant *T = ConstantExpr::get(Opcode, CE1->getOperand(1), C2);
       if (!isa<ConstantExpr>(T) || cast<ConstantExpr>(T)->getOpcode() != Opcode)
         return ConstantExpr::get(Opcode, CE1->getOperand(0), T);
diff --git a/lib/VMCore/Instruction.cpp b/lib/VMCore/Instruction.cpp
index fdddba988c3..7bb2cf167b9 100644
--- a/lib/VMCore/Instruction.cpp
+++ b/lib/VMCore/Instruction.cpp
@@ -348,7 +348,7 @@ bool Instruction::mayThrow() const {
 ///
 /// In LLVM, the Add, Mul, And, Or, and Xor operators are associative.
 ///
-bool Instruction::isAssociative(unsigned Opcode, const Type *Ty) {
+bool Instruction::isAssociative(unsigned Opcode) {
   return Opcode == And || Opcode == Or || Opcode == Xor ||
          Opcode == Add || Opcode == Mul;
 }