diff --git a/components/battery.c b/components/battery.c
index 8bfe42a..99e09d5 100644
--- a/components/battery.c
+++ b/components/battery.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
diff --git a/components/cpu.c b/components/cpu.c
index ecd45a6..cd5ebe4 100644
--- a/components/cpu.c
+++ b/components/cpu.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
diff --git a/components/disk.c b/components/disk.c
index f3c96d5..9d2284e 100644
--- a/components/disk.c
+++ b/components/disk.c
@@ -1,7 +1,5 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
-#include <string.h>
 #include <sys/statvfs.h>
 
 #include "../util.h"
diff --git a/components/hostname.c b/components/hostname.c
index dc3bbf1..23da677 100644
--- a/components/hostname.c
+++ b/components/hostname.c
@@ -1,7 +1,5 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
-#include <string.h>
 #include <unistd.h>
 
 #include "../util.h"
diff --git a/components/ip.c b/components/ip.c
index 468dc84..f26e49a 100644
--- a/components/ip.c
+++ b/components/ip.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <ifaddrs.h>
 #include <netdb.h>
 #include <stdio.h>
diff --git a/components/kernel_release.c b/components/kernel_release.c
index 531014c..0457301 100644
--- a/components/kernel_release.c
+++ b/components/kernel_release.c
@@ -1,8 +1,6 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <sys/utsname.h>
 #include <stdio.h>
-#include <string.h>
 
 #include "../util.h"
 
diff --git a/components/num_files.c b/components/num_files.c
index 9179037..86ea064 100644
--- a/components/num_files.c
+++ b/components/num_files.c
@@ -1,6 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 #include <dirent.h>
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
diff --git a/components/run_command.c b/components/run_command.c
index 7ae1b69..e00b478 100644
--- a/components/run_command.c
+++ b/components/run_command.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdio.h>
 #include <string.h>
 
diff --git a/components/swap.c b/components/swap.c
index 9bd599a..b3b519e 100644
--- a/components/swap.c
+++ b/components/swap.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <stdint.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/components/temperature.c b/components/temperature.c
index bbec80b..fe2e0c9 100644
--- a/components/temperature.c
+++ b/components/temperature.c
@@ -16,9 +16,7 @@
 		return bprintf("%d", temp / 1000);
 	}
 #elif defined(__OpenBSD__)
-	#include <errno.h>
 	#include <stdio.h>
-	#include <string.h>
 	#include <sys/time.h> /* before <sys/sensors.h> for struct timeval */
 	#include <sys/sensors.h>
 	#include <sys/sysctl.h>
diff --git a/components/uptime.c b/components/uptime.c
index f97809d..8f15d71 100644
--- a/components/uptime.c
+++ b/components/uptime.c
@@ -29,8 +29,6 @@ format(int uptime)
 		return format(uptime);
 	}
 #elif defined(__OpenBSD__)
-	#include <errno.h>
-	#include <string.h>
 	#include <sys/sysctl.h>
 	#include <sys/time.h>
 
diff --git a/components/user.c b/components/user.c
index cd503f6..71a0c9d 100644
--- a/components/user.c
+++ b/components/user.c
@@ -1,8 +1,6 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <pwd.h>
 #include <stdio.h>
-#include <string.h>
 #include <sys/types.h>
 #include <unistd.h>
 
diff --git a/components/volume.c b/components/volume.c
index 8674211..8a70b20 100644
--- a/components/volume.c
+++ b/components/volume.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <string.h>
diff --git a/components/wifi.c b/components/wifi.c
index b3e1723..7815c86 100644
--- a/components/wifi.c
+++ b/components/wifi.c
@@ -1,5 +1,4 @@
 /* See LICENSE file for copyright and license details. */
-#include <errno.h>
 #include <ifaddrs.h>
 #include <stdio.h>
 #include <string.h>