diff --git a/core/c/lib/bcrypt/.source b/core/c/lib/bcrypt/.source
deleted file mode 100644
index ffc55691..00000000
--- a/core/c/lib/bcrypt/.source
+++ /dev/null
@@ -1,4 +0,0 @@
-home=http://www.openwall.com/crypt/
-pkg=http://www.openwall.com/crypt/crypt_blowfish-1.3.tar.gz
-pkg_sha256=83fa01fca6996fe8d882b7f8e9ba0305a5664936100b01481ea3c6a8ce8d72fd
-patches=(arm)
diff --git a/core/c/lib/bcrypt/arm.patch b/core/c/lib/bcrypt/arm.patch
deleted file mode 100644
index e9b724c8..00000000
--- a/core/c/lib/bcrypt/arm.patch
+++ /dev/null
@@ -1,12 +0,0 @@
---- x86.S	2014-11-21 09:09:58.000000000 -0500
-+++ x86.S	2014-11-21 09:11:01.000000000 -0500
-@@ -199,5 +199,9 @@
- #endif
- 
- #if defined(__ELF__) && defined(__linux__)
-+#if defined(__arm__)
-+.section .note.GNU-stack,"",%progbits
-+#else
- .section .note.GNU-stack,"",@progbits
- #endif
-+#endif
diff --git a/core/c/lib/scrypt/.source b/core/c/lib/scrypt/.source
deleted file mode 100644
index 431f048d..00000000
--- a/core/c/lib/scrypt/.source
+++ /dev/null
@@ -1,4 +0,0 @@
-home=http://www.tarsnap.com/scrypt.html
-git=https://github.com/Tarsnap/scrypt.git
-pkg=https://www.tarsnap.com/scrypt/scrypt-1.2.1.tgz
-pkg_sha256=4621f5e7da2f802e20850436219370092e9fcda93bd598f6d4236cce33f4c577
diff --git a/core/c/lib/scrypt/osx.patch b/core/c/lib/scrypt/osx.patch
deleted file mode 100644
index cd8f1eed..00000000
--- a/core/c/lib/scrypt/osx.patch
+++ /dev/null
@@ -1,38 +0,0 @@
-diff -ruN /Users/lhunath/.src/scrypt/Makefile ./Makefile
---- /Users/lhunath/.src/scrypt/Makefile	2014-05-02 11:28:58.000000000 -0400
-+++ ./Makefile	2014-05-02 12:07:27.000000000 -0400
-@@ -2,11 +2,11 @@
- VER?=	nosse
- SRCS=	main.c
- LDADD+=	-lcrypto
--WARNS?=	6
-+WARNS?=	0
- 
- # We have a config file for FreeBSD
- CFLAGS	+=	-I .
--CFLAGS	+=	-DCONFIG_H_FILE=\"config_freebsd.h\"
-+CFLAGS	+=	-DCONFIG_H_FILE=\"config_osx.h\"
- 
- # Include all possible object files containing built scrypt code.
- CLEANFILES	+=	crypto_scrypt-ref.o
-diff -ruN /Users/lhunath/.src/scrypt/lib/util/memlimit.c ./lib/util/memlimit.c
---- /Users/lhunath/.src/scrypt/lib/util/memlimit.c	2014-05-02 11:28:58.000000000 -0400
-+++ ./lib/util/memlimit.c	2014-05-02 11:52:42.000000000 -0400
-@@ -75,7 +75,7 @@
- 	 * have returned to us.
- 	 */
- 	if (usermemlen == sizeof(uint64_t))
--		usermem = *(uint64_t *)usermembuf;
-+		usermem = *(uint64_t *)(void *)usermembuf;
- 	else if (usermemlen == sizeof(uint32_t))
- 		usermem = SIZE_MAX;
- 	else
-diff -ruN /Users/lhunath/.src/scrypt/lib/util/memlimit.c ./lib/util/memlimit.c
---- /Users/lhunath/.src/scrypt/config_osx.h	1969-12-31 19:00:00.000000000 -0500
-+++ config_osx.h	2014-05-02 12:06:55.000000000 -0400
-@@ -0,0 +1,5 @@
-+/* A default configuration for FreeBSD, used if there is no config.h. */
-+
-+#define HAVE_POSIX_MEMALIGN 1
-+#define HAVE_SYSCTL_HW_USERMEM 1
-+#define HAVE_SYS_PARAM_H 1