diff --git a/cr-dump.c b/cr-dump.c
index 49ac320a7..84923e99a 100644
--- a/cr-dump.c
+++ b/cr-dump.c
@@ -29,6 +29,7 @@
 #include "compiler.h"
 #include "crtools.h"
 #include "syscall.h"
+#include "seize.h"
 #include "util.h"
 
 #include "image.h"
diff --git a/include/seize.h b/include/seize.h
index b4d915398..1280269c7 100644
--- a/include/seize.h
+++ b/include/seize.h
@@ -3,7 +3,7 @@
 
 #include <sys/ptrace.h>
 
-int seize_task(pid_t pid);
-int unseize_task(pid_t pid);
+extern int seize_task(pid_t pid);
+extern int unseize_task(pid_t pid);
 
 #endif /* SEIZE_H_ */
diff --git a/include/util.h b/include/util.h
index b4099f87f..a6908b41a 100644
--- a/include/util.h
+++ b/include/util.h
@@ -128,9 +128,6 @@ int ptrace_poke_area(pid_t pid, void *src, void *addr, long bytes);
 int ptrace_show_area(pid_t pid, void *addr, long bytes);
 int ptrace_show_area_r(pid_t pid, void *addr, long bytes);
 
-int seize_task(pid_t pid);
-int unseize_task(pid_t pid);
-
 void printk_registers(user_regs_struct_t *regs);
 void printk_siginfo(siginfo_t *siginfo);