diff --git a/examples/adder.noja b/examples/adder.noja
index 0242305..0c00ae8 100644
--- a/examples/adder.noja
+++ b/examples/adder.noja
@@ -7,5 +7,6 @@ fun makeAdder(n) {
 
 add10 = makeAdder(10);
 add20 = makeAdder(20);
-print(add10(1), '\n'); # 11
-print(add20(1), '\n'); # 21
\ No newline at end of file
+
+assert(add10(1) == 11);
+assert(add20(1) == 21);
\ No newline at end of file
diff --git a/src/lib/compiler/codegen.c b/src/lib/compiler/codegen.c
index c9588cb..e212d62 100644
--- a/src/lib/compiler/codegen.c
+++ b/src/lib/compiler/codegen.c
@@ -440,7 +440,7 @@ static void emitInstrForExprNode(CodegenContext *ctx, ExprNode *expr, Label *lab
 			ListExprNode *l = (ListExprNode*) expr;
 
 			Operand op;
-
+			
 			op = (Operand) { .type = OPTP_INT, .as_int = l->itemc };
 			CodegenContext_EmitInstr(ctx, OPCODE_PUSHLST, &op, 1, expr->base.offset, expr->base.length);
 
@@ -495,21 +495,10 @@ static void emitInstrForExprNode(CodegenContext *ctx, ExprNode *expr, Label *lab
 			return;
 		}
 
-		case EXPR_NONE:
-		CodegenContext_EmitInstr(ctx, OPCODE_PUSHNNE, NULL, 0, expr->base.offset, expr->base.length);
-		return;
-
-		case EXPR_TRUE:
-		CodegenContext_EmitInstr(ctx, OPCODE_PUSHTRU, NULL, 0, expr->base.offset, expr->base.length);
-		return;
-
-		case EXPR_FALSE:
-		CodegenContext_EmitInstr(ctx, OPCODE_PUSHFLS, NULL, 0, expr->base.offset, expr->base.length);
-		return;
-
-		default:
-		UNREACHABLE;
-		break;
+		case EXPR_NONE:  CodegenContext_EmitInstr(ctx, OPCODE_PUSHNNE, NULL, 0, expr->base.offset, expr->base.length); return;
+		case EXPR_TRUE:	 CodegenContext_EmitInstr(ctx, OPCODE_PUSHTRU, NULL, 0, expr->base.offset, expr->base.length); return;
+		case EXPR_FALSE: CodegenContext_EmitInstr(ctx, OPCODE_PUSHFLS, NULL, 0, expr->base.offset, expr->base.length); return;
+		default: UNREACHABLE; break;
 	}
 }
 
diff --git a/src/lib/noja_internals.c b/src/lib/noja_internals.c
deleted file mode 100644
index e69de29..0000000
diff --git a/src/lib/noja_internals.h b/src/lib/noja_internals.h
deleted file mode 100644
index 30f0417..0000000
--- a/src/lib/noja_internals.h
+++ /dev/null
@@ -1,8 +0,0 @@
-
-typedef struct NOJA_Executable NOJA_Executable;
-char            *NOJA_disassemble(NOJA_Executable *exe);
-NOJA_Executable *NOJA_assembleString(const char *str);
-NOJA_Executable *NOJA_assembleFile(const char *file);
-NOJA_Executable *NOJA_compileString(const char *str);
-NOJA_Executable *NOJA_compileFile(const char *file);
-bool NOJA_compareExecutables(NOJA_Executable *exe1, NOJA_Executable *exe2);