diff --git a/.gitignore b/.gitignore
index 2cd67e7..722f6ea 100755
--- a/.gitignore
+++ b/.gitignore
@@ -3,31 +3,25 @@
 src/img.rb
 src/imgsize.rb
 src/toi.rb
-src/misc/a.out
 src/misc/cairo2.c
 src/misc/cairo2.pdf
 src/misc/color_square.c
 src/misc/color_square.png
-src/tfv/a.out
-src/tfe/a.out
 src/tfe/hello.txt
 src/tfe/resources.c
-src/tfe4/_build
-src/tfe5/_build
 src/tfe5/hello.txt
-src/tfe6/_build
-src/tfe7/_build
-src/menu/a.out
-src/menu3/_build
-src/color/_build
-src/turtle/_build
 src/temp
 src/le
-src/list4/_build
-src/list5/_build
-src/expression/_build
-src/column/_build
 latex/*
 
+# build directory
+*_build
+
+# a.out
+*a.out
+
+# configuration file
+*.vscode
+
 # backup file
 *~
diff --git a/src/listeditor/.vscode/c_cpp_properties.json b/src/listeditor/.vscode/c_cpp_properties.json
deleted file mode 100644
index e25b981..0000000
--- a/src/listeditor/.vscode/c_cpp_properties.json
+++ /dev/null
@@ -1,17 +0,0 @@
-{
-    "configurations": [
-        {
-            "name": "Linux",
-            "includePath": [
-                "${workspaceFolder}/**"
-            ],
-            "defines": [],
-            "compilerPath": "/usr/bin/gcc",
-            "cStandard": "gnu17",
-            "cppStandard": "gnu++17",
-            "intelliSenseMode": "linux-gcc-x64",
-            "compileCommands": "${workspaceFolder}/_build/compile_commands.json"
-        }
-    ],
-    "version": 4
-}
\ No newline at end of file