diff --git a/src/cryfs_lib/CMakeLists.txt b/src/cryfs_lib/CMakeLists.txt
index cd55e92c..f2c30191 100644
--- a/src/cryfs_lib/CMakeLists.txt
+++ b/src/cryfs_lib/CMakeLists.txt
@@ -1,5 +1,5 @@
 add_subdirectory(fusepp)
 
-add_library(cryfs_lib CryDevice.cpp)
+add_library(cryfs_lib CryDevice.cpp CryFuse.cpp)
 
 target_link_libraries(cryfs_lib fusepp)
diff --git a/src/cryfs_lib/CryFuse.cpp b/src/cryfs_lib/CryFuse.cpp
index 0177b271..f6ba1dad 100644
--- a/src/cryfs_lib/CryFuse.cpp
+++ b/src/cryfs_lib/CryFuse.cpp
@@ -1,5 +1,181 @@
 #include "CryFuse.h"
 
+#define UNUSED(expr) (void)(expr)
+
 namespace cryfs {
 
+int CryFuse::getattr(const char *path, struct stat *stbuf) {
+  UNUSED(stbuf);
+  printf("Called non-implemented getattr(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::fgetattr(const char *path, struct stat *stbuf, fuse_file_info *fileinfo) {
+  UNUSED(stbuf);
+  UNUSED(fileinfo);
+  printf("Called non-implemented fgetattr(%s, _, _)\n", path);
+  return 0;
+}
+
+int CryFuse::readlink(const char *path, char *buf, size_t size) {
+  UNUSED(buf);
+  printf("Called non-implemented readlink(%s, _, %zu)\n", path, size);
+  return 0;
+}
+
+int CryFuse::mknod(const char *path, mode_t mode, dev_t rdev) {
+  UNUSED(rdev);
+  printf("Called non-implemented mknod(%s, %d, _)\n", path, mode);
+  return 0;
+}
+
+int CryFuse::mkdir(const char *path, mode_t mode) {
+  printf("Called non-implemented mkdir(%s, %d)\n", path, mode);
+  return 0;
+}
+
+int CryFuse::unlink(const char *path) {
+  printf("Called non-implemented unlink(%s)\n", path);
+  return 0;
+}
+
+int CryFuse::rmdir(const char *path) {
+  printf("Called non-implemented rmdir(%s)\n", path);
+  return 0;
+}
+
+int CryFuse::symlink(const char *from, const char *to) {
+  printf("Called non-implemented symlink(%s, %s)\n", from, to);
+  return 0;
+}
+
+int CryFuse::rename(const char *from, const char *to) {
+  printf("Called non-implemented rename(%s, %s)\n", from, to);
+  return 0;
+}
+
+int CryFuse::link(const char *from, const char *to) {
+  printf("Called non-implemented link(%s, %s)\n", from, to);
+  return 0;
+}
+
+int CryFuse::chmod(const char *path, mode_t mode) {
+  printf("Called non-implemented chmod(%s, %d)\n", path, mode);
+  return 0;
+}
+
+int CryFuse::chown(const char *path, uid_t uid, gid_t gid) {
+  printf("Called non-implemented chown(%s, %d, %d)\n", path, uid, gid);
+  return 0;
+}
+
+int CryFuse::truncate(const char *path, off_t size) {
+  printf("Called non-implemented truncate(%s, %zu)\n", path, size);
+  return 0;
+}
+
+int CryFuse::ftruncate(const char *path, off_t size, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented ftruncate(%s, %zu, _)\n", path, size);
+  return 0;
+}
+
+int CryFuse::utimens(const char *path, const timespec times[2]) {
+  UNUSED(times);
+  printf("Called non-implemented utimens(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::open(const char *path, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented open(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::release(const char *path, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented release(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::read(const char *path, char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) {
+  UNUSED(buf);
+  UNUSED(fileinfo);
+  printf("Called non-implemented read(%s, _, %zu, %zu, _)\n", path, size, offset);
+  return 0;
+}
+
+int CryFuse::write(const char *path, const char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) {
+  UNUSED(buf);
+  UNUSED(fileinfo);
+  printf("Called non-implemented write(%s, _, %zu, %zu, _)\n", path, size, offset);
+  return 0;
+}
+
+int CryFuse::statfs(const char *path, struct statvfs *fsstat) {
+  UNUSED(fsstat);
+  printf("Called non-implemented statfs(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::flush(const char *path, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented flush(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::fsync(const char *path, int flags, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented fsync(%s, %d, _)\n", path, flags);
+  return 0;
+}
+
+int CryFuse::opendir(const char *path, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented opendir(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, fuse_file_info *fileinfo) {
+  UNUSED(buf);
+  UNUSED(filler);
+  UNUSED(fileinfo);
+  printf("Called non-implemented readdir(%s, _, _, %zu, _)\n", path, offset);
+  return 0;
+}
+
+int CryFuse::releasedir(const char *path, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented releasedir(%s, _)\n", path);
+  return 0;
+}
+
+int CryFuse::fsyncdir(const char *path, int datasync, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented fsyncdir(%s, %d, _)\n", path, datasync);
+  return 0;
+}
+
+void* CryFuse::init(fuse_conn_info *conn) {
+  UNUSED(conn);
+  printf("Called non-implemented init()\n");
+  return this;
+}
+
+void CryFuse::destroy(void *userdata) {
+  UNUSED(userdata);
+  printf("Called non-implemented destroy()\n");
+}
+
+int CryFuse::access(const char *path, int mask) {
+  printf("Called non-implemented access(%s, %d)\n", path, mask);
+  return 0;
+}
+
+int CryFuse::create(const char *path, mode_t mode, fuse_file_info *fileinfo) {
+  UNUSED(fileinfo);
+  printf("Called non-implemented create(%s, %d, _)\n", path, mode);
+  return 0;
+}
+
 } /* namespace cryfs */
diff --git a/src/cryfs_lib/CryFuse.h b/src/cryfs_lib/CryFuse.h
index b54baecb..2196ad1f 100644
--- a/src/cryfs_lib/CryFuse.h
+++ b/src/cryfs_lib/CryFuse.h
@@ -8,154 +8,36 @@ namespace cryfs {
 
 class CryFuse: public fusepp::Fuse {
 public:
-  int getattr(const char *path, struct stat *stbuf) override {
-    printf("Called non-implemented getattr(%s, _)\n", path);
-    return 0;
-  }
-
-  int fgetattr(const char *path, struct stat *stbuf, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented fgetattr(%s, _, _)\n", path);
-    return 0;
-  }
-
-  int readlink(const char *path, char *buf, size_t size) override {
-    printf("Called non-implemented readlink(%s, _, %d)\n", path, size);
-    return 0;
-  }
-
-  int mknod(const char *path, mode_t mode, dev_t rdev) override {
-    printf("Called non-implemented mknod(%s, %d, _)\n", path, mode);
-    return 0;
-  }
-
-  int mkdir(const char *path, mode_t mode) override {
-    printf("Called non-implemented mkdir(%s, %d)\n", path, mode);
-    return 0;
-  }
-
-  int unlink(const char *path) override {
-    printf("Called non-implemented unlink(%s)\n", path);
-    return 0;
-  }
-
-  int rmdir(const char *path) override {
-    printf("Called non-implemented rmdir(%s)\n", path);
-    return 0;
-  }
-
-  int symlink(const char *from, const char *to) override {
-    printf("Called non-implemented symlink(%s, %s)\n", from, to);
-    return 0;
-  }
-
-  int rename(const char *from, const char *to) override {
-    printf("Called non-implemented rename(%s, %s)\n", from, to);
-    return 0;
-  }
-
-  int link(const char *from, const char *to) override {
-    printf("Called non-implemented link(%s, %s)\n", from, to);
-    return 0;
-  }
-
-  int chmod(const char *path, mode_t mode) override {
-    printf("Called non-implemented chmod(%s, %d)\n", path, mode);
-    return 0;
-  }
-
-  int chown(const char *path, uid_t uid, gid_t gid) override {
-    printf("Called non-implemented chown(%s, %d, %d)\n", path, uid, gid);
-    return 0;
-  }
-
-  int truncate(const char *path, off_t size) override {
-    printf("Called non-implemented truncate(%s, %d)\n", path, size);
-    return 0;
-  }
-
-  int ftruncate(const char *path, off_t size, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented ftruncate(%s, %d)\n", path, size);
-    return 0;
-  }
-
-  int utimens(const char *path, const timespec times[2]) override {
-    printf("Called non-implemented utimens(%s, _)\n", path);
-    return 0;
-  }
-
-  int open(const char *path, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented open(%s)\n", path);
-    return 0;
-  }
-
-  int release(const char *path, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented release(%s)\n", path);
-    return 0;
-  }
-
-  int read(const char *path, char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented read(%s, _, %d, %d, _)\n", path, size, offset);
-    return 0;
-  }
-
-  int write(const char *path, const char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented write(%s, _, %d, %d, _)\n", path, size, offset);
-    return 0;
-  }
-
-  int statfs(const char *path, struct statvfs *fsstat) override {
-    printf("Called non-implemented statfs(%s)\n", path);
-    return 0;
-  }
-
-  int flush(const char *path, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented flush(%s)\n", path);
-    return 0;
-  }
-
-  int fsync(const char *path, int flags, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented fsync(%s, %d, _)\n", path, flags);
-    return 0;
-  }
-
-  int opendir(const char *path, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented opendir(%s, _)\n", path);
-    return 0;
-  }
-
-  int readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented readdir(%s, _, _, %d, _)\n", path, offset);
-    return 0;
-  }
-
-  int releasedir(const char *path, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented releasedir(%s, _)\n", path);
-    return 0;
-  }
-
-  int fsyncdir(const char *path, int datasync, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented fsyncdir(%s, %d, _)\n", path, datasync);
-    return 0;
-  }
-
-  void* init(fuse_conn_info *conn) override {
-    printf("Called non-implemented init()\n");
-    return this;
-  }
-
-  void destroy(void *userdata) override {
-    printf("Called non-implemented destroy()\n");
-  }
-
-  int access(const char *path, int mask) override {
-    printf("Called non-implemented access(%s, %d)\n", path, mask);
-    return 0;
-  }
-
-  int create(const char *path, mode_t mode, fuse_file_info *fileinfo) override {
-    printf("Called non-implemented create(%s, %d, _)\n", path, mode);
-    return 0;
-  }
+  int getattr(const char *path, struct stat *stbuf) override;
+  int fgetattr(const char *path, struct stat *stbuf, fuse_file_info *fileinfo) override;
+  int readlink(const char *path, char *buf, size_t size) override;
+  int mknod(const char *path, mode_t mode, dev_t rdev) override;
+  int mkdir(const char *path, mode_t mode) override;
+  int unlink(const char *path) override;
+  int rmdir(const char *path) override;
+  int symlink(const char *from, const char *to) override;
+  int rename(const char *from, const char *to) override;
+  int link(const char *from, const char *to) override;
+  int chmod(const char *path, mode_t mode) override;
+  int chown(const char *path, uid_t uid, gid_t gid) override;
+  int truncate(const char *path, off_t size) override;
+  int ftruncate(const char *path, off_t size, fuse_file_info *fileinfo) override;
+  int utimens(const char *path, const timespec times[2]) override;
+  int open(const char *path, fuse_file_info *fileinfo) override;
+  int release(const char *path, fuse_file_info *fileinfo) override;
+  int read(const char *path, char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) override;
+  int write(const char *path, const char *buf, size_t size, off_t offset, fuse_file_info *fileinfo) override;
+  int statfs(const char *path, struct statvfs *fsstat) override;
+  int flush(const char *path, fuse_file_info *fileinfo) override;
+  int fsync(const char *path, int flags, fuse_file_info *fileinfo) override;
+  int opendir(const char *path, fuse_file_info *fileinfo) override;
+  int readdir(const char *path, void *buf, fuse_fill_dir_t filler, off_t offset, fuse_file_info *fileinfo) override;
+  int releasedir(const char *path, fuse_file_info *fileinfo) override;
+  int fsyncdir(const char *path, int datasync, fuse_file_info *fileinfo) override;
+  void* init(fuse_conn_info *conn) override;
+  void destroy(void *userdata) override;
+  int access(const char *path, int mask) override;
+  int create(const char *path, mode_t mode, fuse_file_info *fileinfo) override;
 };
 
 } /* namespace cryfs */