diff --git a/AlgebraicDataflowArchitectureModel/src/parser/Parser.java b/AlgebraicDataflowArchitectureModel/src/parser/Parser.java
index 4bf124a..b42a607 100644
--- a/AlgebraicDataflowArchitectureModel/src/parser/Parser.java
+++ b/AlgebraicDataflowArchitectureModel/src/parser/Parser.java
@@ -61,6 +61,9 @@
     public static final String DOT_REGX = "\\.";
     public static final String DOUBLE_QUOT = "\"";
 
+    public static final String SINGLE_LINE_COMMENT = "//";
+    public static final String SINGLE_LINE_COMMENT_REGX = "\\/\\/";
+
     public Parser(final TokenStream stream) {
         this.stream = stream;
     }
@@ -730,7 +733,10 @@
 
         public void addLine(String line) {
             lines.add(line);
-            line = line.trim();
+            line = removeComments(line.trim());
+            if (line.isBlank()) {
+                return;
+            }
             ArrayList<Token> tokenList = splitByDoubleQuotation(line);
             tokenList = splitBy(tokenList, ADD, ADD_REGX);
             tokenList = splitBy(tokenList, MUL, MUL_REGX);
@@ -785,6 +791,25 @@
             return newTokens;
         }
 
+        /**
+         * Removes single-line comment from given line.
+         *
+         * @param line The line of text to be processed
+         * @return The line of text without single-line comment.
+         * @author Shohei Yamagiwa
+         */
+        private String removeComments(String line) {
+            StringBuilder result = new StringBuilder();
+            String[] tokens = line.split(" ");
+            for (String token : tokens) {
+                if (token.equals(SINGLE_LINE_COMMENT)) {
+                    break;
+                }
+                result.append(token).append(" ");
+            }
+            return result.toString();
+        }
+
         private ArrayList<Token> splitByDoubleQuotation(String line) {
             ArrayList<Token> newTokens = new ArrayList<>();
             String[] tokens = line.split(DOUBLE_QUOT);