diff --git a/qdf/libc/inc/i_qdf_str.h b/qdf/libc/inc/i_qdf_str.h
deleted file mode 100644
index 22b93c282597..000000000000
--- a/qdf/libc/inc/i_qdf_str.h
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2018 The Linux Foundation. All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for
- * any purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-/**
- * DOC: i_qdf_str.h
- * Libc-specific implementations for qdf_str
- */
-
-#ifndef __I_QDF_STR_H
-#define __I_QDF_STR_H
-
-#include "string.h"
-
-#define __qdf_is_space(c) isspace(c)
-#define __qdf_str_cmp(left, right) strcmp(left, right)
-#define __qdf_str_lcopy(dest, src, dest_size) strlcpy(dest, src, dest_size)
-const char *__qdf_str_left_trim(const char *str);
-#define __qdf_str_len(str) strlen(str)
-char *__qdf_str_trim(char *str);
-#define __qdf_str_nlen(str, limit) strnlen(str, limit)
-
-#endif /* __I_QDF_STR_H */
diff --git a/qdf/libc/inc/qdf_str.c b/qdf/libc/inc/qdf_str.c
deleted file mode 100644
index f44a74a9435e..000000000000
--- a/qdf/libc/inc/qdf_str.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * Copyright (c) 2018 The Linux Foundation. All rights reserved.
- *
- * Permission to use, copy, modify, and/or distribute this software for
- * any purpose with or without fee is hereby granted, provided that the
- * above copyright notice and this permission notice appear in all
- * copies.
- *
- * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
- * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
- * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
- * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
- * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-
-#include "i_qdf_str.h"
-
-const char *__qdf_str_left_trim(const char *str)
-{
-	while (qdf_str_is_space(str))
-		str++;
-
-	return str;
-}
-
-char *__qdf_str_trim(char *str)
-{
-	char *trimmed = (char *)qdf_str_left_trim(str);
-
-	qdf_str_right_trim(str);
-
-	return trimmed;
-}
-