diff --git a/.gitignore b/.gitignore
index 13b46bf8..3a6739eb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 # ======================================================
 #	CUSTOM IGNORE
 # ======================================================
-.vscopde/
 handbook/
 lib/
 
diff --git a/src/std/Deque.ts b/src/std/Deque.ts
index b46833c2..6615b636 100644
--- a/src/std/Deque.ts
+++ b/src/std/Deque.ts
@@ -542,10 +542,10 @@ namespace std
 
 			// ERASE LAST ELEMENT
 			let lastArray: Array<T> = this.matrix_[this.matrix_.length - 1];
-			lastArray.splice(lastArray.length - 1, 1);
+			lastArray.pop();
 
 			if (lastArray.length == 0 && this.matrix_.length > 1)
-				this.matrix_.splice(this.matrix_.length - 1, 1);
+				this.matrix_.pop();
 
 			// SHRINK SIZE
 			this.size_--;
diff --git a/src/std/Vector.ts b/src/std/Vector.ts
index fc6d6f2a..f0b05fa2 100644
--- a/src/std/Vector.ts
+++ b/src/std/Vector.ts
@@ -568,7 +568,7 @@ namespace std
 		 */
 		public pop_back(): void
 		{
-			this.erase(this.end().prev());
+			this.data_.pop();
 		}
 
 		/**