diff --git a/.gitignore b/.gitignore
index 3e2a754..aed7d42 100644
--- a/.gitignore
+++ b/.gitignore
@@ -74,5 +74,5 @@ dist/
 /firmware
 .clang_complete
 .gcc-flags.json
-.pioenvs
-.piolibdeps
+.pio
+.vscode
\ No newline at end of file
diff --git a/.vscode/extensions.json b/.vscode/extensions.json
index 8281e64..0f0d740 100644
--- a/.vscode/extensions.json
+++ b/.vscode/extensions.json
@@ -1,7 +1,7 @@
 {
-	// See http://go.microsoft.com/fwlink/?LinkId=827846
-	// for the documentation about the extensions.json format
-	"recommendations": [
-		"platformio.platformio-ide"
-	]
-}
\ No newline at end of file
+    // See http://go.microsoft.com/fwlink/?LinkId=827846
+    // for the documentation about the extensions.json format
+    "recommendations": [
+        "platformio.platformio-ide"
+    ]
+}
diff --git a/src/NeoPattern.cpp b/src/NeoPattern.cpp
index aa61c85..072e981 100644
--- a/src/NeoPattern.cpp
+++ b/src/NeoPattern.cpp
@@ -16,7 +16,6 @@
 #include <Adafruit_NeoPixel.h>
 
 using namespace std;
-using namespace std::placeholders;
 
 // Pattern types supported:
 enum pattern