diff --git a/.gitignore b/.gitignore
index 64c0582..eb7ffaf 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,3 +4,4 @@ tools/dumps
 *.exe
 _*.go
 *~
+vendor/
\ No newline at end of file
diff --git a/perflib/perflib.go b/perflib/perflib.go
index 7c17228..17292c4 100644
--- a/perflib/perflib.go
+++ b/perflib/perflib.go
@@ -220,8 +220,6 @@ func queryRawData(query string) ([]byte, error) {
 		return nil, fmt.Errorf("failed to encode query string: %v", err)
 	}
 
-	defer syscall.RegCloseKey(syscall.HKEY_PERFORMANCE_DATA)
-
 	for {
 		bufLen := uint32(len(buffer))
 
@@ -237,7 +235,6 @@ func queryRawData(query string) ([]byte, error) {
 			newBuffer := make([]byte, len(buffer)+16384)
 			copy(newBuffer, buffer)
 			buffer = newBuffer
-			syscall.RegCloseKey(syscall.HKEY_PERFORMANCE_DATA)
 			continue
 		} else if err != nil {
 			if errno, ok := err.(syscall.Errno); ok {