diff --git a/builtin/blame.c b/builtin/blame.c
index bb460346e6..eac2fe7320 100644
--- a/builtin/blame.c
+++ b/builtin/blame.c
@@ -10,7 +10,6 @@
 #include "builtin.h"
 #include "config.h"
 #include "color.h"
-#include "builtin.h"
 #include "environment.h"
 #include "gettext.h"
 #include "hex.h"
diff --git a/builtin/log.c b/builtin/log.c
index d43ca693bf..8ab6d3a943 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -24,7 +24,6 @@
 #include "diff-merges.h"
 #include "revision.h"
 #include "log-tree.h"
-#include "builtin.h"
 #include "oid-array.h"
 #include "tag.h"
 #include "reflog-walk.h"
diff --git a/builtin/pack-objects.c b/builtin/pack-objects.c
index 9807dd0eff..e6c8f896ab 100644
--- a/builtin/pack-objects.c
+++ b/builtin/pack-objects.c
@@ -44,7 +44,6 @@
 #include "blob.h"
 #include "tree.h"
 #include "path-walk.h"
-#include "trace2.h"
 
 /*
  * Objects we are going to pack are collected in the `to_pack` structure.
diff --git a/commit.c b/commit.c
index 9bb471d217..8f68bbea77 100644
--- a/commit.c
+++ b/commit.c
@@ -31,7 +31,6 @@
 #include "parse.h"
 #include "object-file.h"
 #include "object-file-convert.h"
-#include "prio-queue.h"
 
 static struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
 
diff --git a/object-file-convert.c b/object-file-convert.c
index 7ab875afe6..7813286596 100644
--- a/object-file-convert.c
+++ b/object-file-convert.c
@@ -6,7 +6,6 @@
 #include "hex.h"
 #include "repository.h"
 #include "hash.h"
-#include "hash.h"
 #include "object.h"
 #include "loose.h"
 #include "commit.h"
diff --git a/protocol-caps.c b/protocol-caps.c
index ecdd0dc58d..35072ed60b 100644
--- a/protocol-caps.c
+++ b/protocol-caps.c
@@ -4,7 +4,6 @@
 #include "hex.h"
 #include "pkt-line.h"
 #include "hash.h"
-#include "hex.h"
 #include "object.h"
 #include "odb.h"
 #include "repository.h"
diff --git a/setup.c b/setup.c
index 11fe7f8841..c8336eb20e 100644
--- a/setup.c
+++ b/setup.c
@@ -25,7 +25,6 @@
 #include "trace.h"
 #include "trace2.h"
 #include "worktree.h"
-#include "exec-cmd.h"
 
 static int inside_git_dir = -1;
 static int inside_work_tree = -1;