diff --git a/src/variety/slither.js b/src/variety/slither.js
index 4685a8510..fa76a6853 100644
--- a/src/variety/slither.js
+++ b/src/variety/slither.js
@@ -119,8 +119,7 @@
 	},
 
 	"Cell@swslither": {
-		maxnum: 6,
-		minnum: 0
+		maxnum: 6
 	},
 
 	Board: {
diff --git a/test/script/swslither.js b/test/script/swslither.js
index 1d69683be..785101a3e 100644
--- a/test/script/swslither.js
+++ b/test/script/swslither.js
@@ -37,40 +37,6 @@ ui.debug.addDebugData("swslither", {
 		]
 	],
 	inputs: [
-		/* 回答入力テスト */
-		{ input: ["newboard,5,1", "playmode"] },
-		{
-			input: ["mouse,left, 0,0, 2,0, 2,2, 4,2"],
-			result:
-				"pzprv3.1/swslither/1/5/. . . . . /0 0 0 0 0 /0 1 0 0 0 0 /1 0 0 0 0 /0 1 0 0 0 /"
-		},
-		{
-			input: ["mouse,right, 1,0, 4,2"],
-			result:
-				"pzprv3.1/swslither/1/5/. . . . . /0 0 0 0 0 /0 -1 0 0 0 0 /-1 0 0 0 0 /0 -1 0 0 0 /"
-		},
-		{
-			input: ["mouse,left, 0,0, 2,0, 2,2, 4,2"],
-			result:
-				"pzprv3.1/swslither/1/5/. . . . . /0 0 0 0 0 /0 1 0 0 0 0 /1 0 0 0 0 /0 1 0 0 0 /"
-		},
-		{
-			input: ["mouse,left, 0,0, 2,0, 2,2, 4,2"],
-			result:
-				"pzprv3.1/swslither/1/5/. . . . . /0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
-		},
-		/* LineGraphでエラーしないか確認 */
-		{
-			input: [
-				"mouse,left, 0,0, 8,0",
-				"mouse,left, 2,2, 10,2",
-				"mouse,left, 4,0, 4,2",
-				"mouse,right, 5,2, 4,1"
-			],
-			result:
-				"pzprv3.1/swslither/1/5/. . . . . /0 0 0 0 0 /0 0 -1 0 0 0 /1 1 1 1 0 /0 1 -1 1 1 /"
-		},
-		/* 問題入力テスト */
 		{ input: ["newboard,5,1", "editmode"] },
 		{
 			input: [
@@ -88,19 +54,6 @@ ui.debug.addDebugData("swslither", {
 			result:
 				"pzprv3.1/swslither/1/5/- 0 1 5 6 /0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
 		},
-		{
-			input: [
-				"cursor,1,1",
-				"key,-",
-				"key,right",
-				"key,-",
-				"key,right",
-				"key,-",
-				"key,-"
-			],
-			result:
-				"pzprv3.1/swslither/1/5/. - . 5 6 /0 0 0 0 0 /0 0 0 0 0 0 /0 0 0 0 0 /0 0 0 0 0 /"
-		},
 		{ input: ["newboard,7,2", "editmode"] },
 		{
 			input: [