diff --git a/headers/build/BeOSBuildCompatibility.h b/headers/build/BeOSBuildCompatibility.h
index 5eff06a5c8..197309ab06 100644
--- a/headers/build/BeOSBuildCompatibility.h
+++ b/headers/build/BeOSBuildCompatibility.h
@@ -49,12 +49,14 @@ extern size_t	strnlen(const char* string, size_t length);
 #endif
 
 // BeOS only
+#if !defined(HAIKU_HOST_PLATFORM_HAIKU)
 extern ssize_t  read_pos(int fd, off_t pos, void* buffer, size_t count);
 extern ssize_t  write_pos(int fd, off_t pos, const void* buffer, size_t count);
 extern ssize_t	readv_pos(int fd, off_t pos, const struct iovec* vec,
 					int count);
 extern ssize_t	writev_pos(int fd, off_t pos, const struct iovec* vec,
 					int count);
+#endif
 
 
 // There's no O_NOTRAVERSE under Linux and FreeBSD -- we replace it with a flag
diff --git a/src/build/libroot/fs.cpp b/src/build/libroot/fs.cpp
index dadcbd7e5b..12c8550242 100644
--- a/src/build/libroot/fs.cpp
+++ b/src/build/libroot/fs.cpp
@@ -1155,6 +1155,7 @@ _kern_unlock_node(int fd)
 
 // #pragma mark -
 
+#if !defined(HAIKU_HOST_PLATFORM_HAIKU)
 // read_pos
 ssize_t
 read_pos(int fd, off_t pos, void *buffer, size_t bufferSize)
@@ -1243,6 +1244,7 @@ writev_pos(int fd, off_t pos, const struct iovec *vec, int count)
 
 	return bytesWritten;
 }
+#endif
 
 
 // #pragma mark -