diff --git a/tools/include/linux/jhash.h b/tools/include/linux/jhash.h
index 348c6f47e4cc36681e55ff4800a4d2a4e052f954..af8d0fe1c6ce92740893e11f4a2e81ba05df5446 100644
--- a/tools/include/linux/jhash.h
+++ b/tools/include/linux/jhash.h
@@ -5,7 +5,7 @@
  *
  * Copyright (C) 2006. Bob Jenkins (bob_jenkins@burtleburtle.net)
  *
- * http://burtleburtle.net/bob/hash/
+ * https://burtleburtle.net/bob/hash/
  *
  * These are the credits from Bob's sources:
  *
diff --git a/tools/lib/rbtree.c b/tools/lib/rbtree.c
index 06ac7bd2144b77c5716cbebddd52cf22d98780e6..727396de6be54f203165b7e9132d8590f1d1f41e 100644
--- a/tools/lib/rbtree.c
+++ b/tools/lib/rbtree.c
@@ -13,7 +13,7 @@
 #include <linux/export.h>
 
 /*
- * red-black trees properties:  http://en.wikipedia.org/wiki/Rbtree
+ * red-black trees properties:  https://en.wikipedia.org/wiki/Rbtree
  *
  *  1) A node is either red or black
  *  2) The root is black
diff --git a/tools/lib/traceevent/event-parse.h b/tools/lib/traceevent/event-parse.h
index b77837f75a0d70f447a2cce6311c8abd46f1c90f..ad7799c854295800a1cdb1b6981180eb9201dcc6 100644
--- a/tools/lib/traceevent/event-parse.h
+++ b/tools/lib/traceevent/event-parse.h
@@ -379,7 +379,7 @@ enum tep_errno {
 	 * errno since SUS requires the errno has distinct positive values.
 	 * See 'Issue 6' in the link below.
 	 *
-	 * http://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
+	 * https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/errno.h.html
 	 */
 	__TEP_ERRNO__START			= -100000,
 
diff --git a/tools/testing/ktest/examples/README b/tools/testing/ktest/examples/README
index a12d295a09d8475445ef2adae79d33a0ba6ab98a..4f048789b2608831d846814297c640f852547181 100644
--- a/tools/testing/ktest/examples/README
+++ b/tools/testing/ktest/examples/README
@@ -11,7 +11,7 @@ crosstests.conf - this config shows an example of testing a git repo against
     lots of different architectures. It only does build tests, but makes
     it easy to compile test different archs. You can download the arch
     cross compilers from:
-  http://kernel.org/pub/tools/crosstool/files/bin/x86_64/
+  https://kernel.org/pub/tools/crosstool/files/bin/x86_64/
 
 test.conf - A generic example of a config. This is based on an actual config
      used to perform real testing.
diff --git a/tools/testing/ktest/examples/crosstests.conf b/tools/testing/ktest/examples/crosstests.conf
index 6907f32590b2810d38e3489879e9bbe93c8f9f65..3b15e85f26bd6cee69da25afe405e7a6b84065d9 100644
--- a/tools/testing/ktest/examples/crosstests.conf
+++ b/tools/testing/ktest/examples/crosstests.conf
@@ -3,7 +3,7 @@
 #
 # In this config, it is expected that the tool chains from:
 #
-#   http://kernel.org/pub/tools/crosstool/files/bin/x86_64/
+#   https://kernel.org/pub/tools/crosstool/files/bin/x86_64/
 #
 # running on a x86_64 system have been downloaded and installed into:
 #