diff --git a/src/zscript/zcc_compile.cpp b/src/zscript/zcc_compile.cpp
index b95bc33b7..5a3276a07 100644
--- a/src/zscript/zcc_compile.cpp
+++ b/src/zscript/zcc_compile.cpp
@@ -226,11 +226,11 @@ PSymbolConst *ZCCCompiler::CompileConstant(ZCC_ConstantDef *def)
 
 ZCC_Expression *ZCCCompiler::Simplify(ZCC_Expression *root)
 {
-	if (IsUnaryOp(root->Operation))
+	if (root->NodeType == AST_ExprUnary)
 	{
 		return SimplifyUnary(static_cast<ZCC_ExprUnary *>(root));
 	}
-	else if (IsBinaryOp(root->Operation))
+	else if (root->NodeType == AST_ExprBinary)
 	{
 		return SimplifyBinary(static_cast<ZCC_ExprBinary *>(root));
 	}
diff --git a/src/zscript/zcc_expr.cpp b/src/zscript/zcc_expr.cpp
index 3f5aec298..da9063fc9 100644
--- a/src/zscript/zcc_expr.cpp
+++ b/src/zscript/zcc_expr.cpp
@@ -12,7 +12,7 @@
 
 ZCC_OpInfoType ZCC_OpInfo[PEX_COUNT_OF] =
 {
-#define xx(a,n)	{ n, #a, NULL },
+#define xx(a,z)	{ #a, NULL },
 #include "zcc_exprlist.h"
 };
 
diff --git a/src/zscript/zcc_exprlist.h b/src/zscript/zcc_exprlist.h
index cbe78ef09..e36aedea6 100644
--- a/src/zscript/zcc_exprlist.h
+++ b/src/zscript/zcc_exprlist.h
@@ -1,57 +1,57 @@
 // Name				n-ary
-xx(Nil,				0)
+xx(Nil,				)
 
-xx(ID,				0)
-xx(Super,			0)
-xx(Self,			0)
-xx(ConstValue,		0)
-xx(FuncCall,		0)
-xx(ArrayAccess,		0)
-xx(MemberAccess,	0)
-xx(TypeRef,			0)
+xx(ID,				)
+xx(Super,			)
+xx(Self,			)
+xx(ConstValue,		)
+xx(FuncCall,		)
+xx(ArrayAccess,		)
+xx(MemberAccess,	)
+xx(TypeRef,			)
 
-xx(PostInc,			1)
-xx(PostDec,			1)
+xx(PostInc,			)
+xx(PostDec,			)
 
-xx(PreInc,			1)
-xx(PreDec,			1)
-xx(Negate,			1)
-xx(AntiNegate,		1)
-xx(BitNot,			1)
-xx(BoolNot,			1)
-xx(SizeOf,			1)
-xx(AlignOf,			1)
+xx(PreInc,			)
+xx(PreDec,			)
+xx(Negate,			)
+xx(AntiNegate,		)
+xx(BitNot,			)
+xx(BoolNot,			)
+xx(SizeOf,			)
+xx(AlignOf,			)
 
-xx(Add,				2)
-xx(Sub,				2)
-xx(Mul,				2)
-xx(Div,				2)
-xx(Mod,				2)
-xx(Pow,				2)
-xx(CrossProduct,	2)
-xx(DotProduct,		2)
-xx(LeftShift,		2)
-xx(RightShift,		2)
-xx(Concat,			2)
+xx(Add,				)
+xx(Sub,				)
+xx(Mul,				)
+xx(Div,				)
+xx(Mod,				)
+xx(Pow,				)
+xx(CrossProduct,	)
+xx(DotProduct,		)
+xx(LeftShift,		)
+xx(RightShift,		)
+xx(Concat,			)
 
-xx(LT,				2)
-xx(LTEQ,			2)
-xx(LTGTEQ,			2)
-xx(Is,				2)
+xx(LT,				)
+xx(LTEQ,			)
+xx(LTGTEQ,			)
+xx(Is,				)
 
-xx(EQEQ,			2)
-xx(APREQ,			2)
+xx(EQEQ,			)
+xx(APREQ,			)
 
-xx(BitAnd,			2)
-xx(BitOr,			2)
-xx(BitXor,			2)
-xx(BoolAnd,			2)
-xx(BoolOr,			2)
+xx(BitAnd,			)
+xx(BitOr,			)
+xx(BitXor,			)
+xx(BoolAnd,			)
+xx(BoolOr,			)
 
-xx(Scope,			0)
+xx(Scope,			)
 
-xx(Trinary,			2)
+xx(Trinary,			)
 
-xx(Cast,			1)
+xx(Cast,			)
 
 #undef xx
diff --git a/src/zscript/zcc_parser.h b/src/zscript/zcc_parser.h
index 5dae12e78..6512ee0f7 100644
--- a/src/zscript/zcc_parser.h
+++ b/src/zscript/zcc_parser.h
@@ -476,8 +476,6 @@ struct ZCC_OpProto
 
 struct ZCC_OpInfoType
 {
-	BYTE Nary:2;		// n-ary-ness of operator
-	
 	const char *OpName;
 	ZCC_OpProto *Protos;
 
@@ -497,17 +495,6 @@ void ZCC_InitOperators();
 
 extern ZCC_OpInfoType ZCC_OpInfo[PEX_COUNT_OF];
 
-static inline bool IsUnaryOp(EZCCExprType op)
-{
-	assert((unsigned)op < (unsigned)PEX_COUNT_OF);
-	return ZCC_OpInfo[op].Nary == 1;
-}
-static inline bool IsBinaryOp(EZCCExprType op)
-{
-	assert((unsigned)op < (unsigned)PEX_COUNT_OF);
-	return ZCC_OpInfo[op].Nary == 2;
-}
-
 struct ZCC_AST
 {
 	ZCC_AST() : TopNode(NULL) {}