diff --git a/DragonLisp.y b/DragonLisp.y
index f7c8a13..253e7ba 100644
--- a/DragonLisp.y
+++ b/DragonLisp.y
@@ -162,8 +162,6 @@ S-Expr-var-op
 var-op-tokens
 	: DEFVAR	{ std::printf("Parsed var-op-tokens -> DEFVAR\n"); }
 	| SETQ		{ std::printf("Parsed var-op-tokens -> SETQ\n"); }
-	| INCF		{ std::printf("Parsed var-op-tokens -> INCF\n"); }
-	| DECF		{ std::printf("Parsed var-op-tokens -> DECF\n"); }
 	| DEFCONSTANT	{ std::printf("Parsed var-op-tokens -> DEFCONSTANT\n"); }
 ;
 
diff --git a/Makefile b/Makefile
index 1e2a695..d4ec1c2 100644
--- a/Makefile
+++ b/Makefile
@@ -10,7 +10,7 @@ LEXFLAGS ?= -T --hex
 
 # Syntax Analysis
 YACC = bison
-YACCFLAGS ?= -Wall --color -v -t -d
+YACCFLAGS ?= -Wall --color -v -t -d -Wcounterexamples
 LANG = c++
 
 # Compile C/C++ Code