diff --git a/source/Makefile b/source/Makefile
index ea6b9b54bd5..c3cf6e9b2d4 100644
--- a/source/Makefile
+++ b/source/Makefile
@@ -186,7 +186,6 @@ endif
     PULIB += $(OCGDIR)/blender/deflate/$(DEBUG_DIR)libdeflate.a
     PULIB += $(OCGDIR)/blender/encrypt/$(DEBUG_DIR)libencrypt.a
     PULIB += $(OCGDIR)/blender/decrypt/$(DEBUG_DIR)libdecrypt.a
-    PULIB += $(OCGDIR)/blender/sign/$(DEBUG_DIR)libsign.a
     PULIB += $(OCGDIR)/blender/verify/$(DEBUG_DIR)libverify.a
     PULIB += $(OCGDIR)/blender/writeblenfile/$(DEBUG_DIR)libwriteblenfile.a
     PULIB += $(OCGDIR)/blender/writestreamglue/$(DEBUG_DIR)libwritestreamglue.a
diff --git a/source/blender/Makefile b/source/blender/Makefile
index e62d4a95f9e..45cd1d252a2 100644
--- a/source/blender/Makefile
+++ b/source/blender/Makefile
@@ -34,7 +34,7 @@
 include nan_definitions.mk
 
 DIRS = blenloader
-DIRS += deflate inflate encrypt decrypt sign verify
+DIRS += deflate inflate encrypt decrypt verify
 DIRS += writestreamglue readstreamglue writeblenfile readblenfile
 DIRS += avi imbuf img render radiosity blenlib blenkernel blenpluginapi
 DIRS += bpython makesdna src renderconverter
diff --git a/source/blender/writestreamglue/intern/BLO_writeStreamGlue.c b/source/blender/writestreamglue/intern/BLO_writeStreamGlue.c
index 4eb32efe09a..118bc6d6a7b 100644
--- a/source/blender/writestreamglue/intern/BLO_writeStreamGlue.c
+++ b/source/blender/writestreamglue/intern/BLO_writeStreamGlue.c
@@ -42,7 +42,6 @@
 #include "BLO_writeblenfile.h"
 #include "BLO_deflate.h"
 #include "BLO_encrypt.h"
-#include "BLO_sign.h"
 
 #ifdef HAVE_CONFIG_H
 #include <config.h>
@@ -140,11 +139,7 @@ writeStreamGlue(
 							  (*streamGlue)->streamBufferCount,
 							  streamGlueHeader);
 			break;
-		case SIGN:
-			err = BLO_sign((*streamGlue)->streamBuffer,
-						   (*streamGlue)->streamBufferCount,
-						   streamGlueHeader);
-			break;
+	        case SIGN:
 		case WRITEBLENFILE:
 			err = BLO_writeblenfile((*streamGlue)->streamBuffer,
 									(*streamGlue)->streamBufferCount,
diff --git a/source/blender/writestreamglue/intern/Makefile b/source/blender/writestreamglue/intern/Makefile
index df3f88ea006..9c9a8f2e767 100644
--- a/source/blender/writestreamglue/intern/Makefile
+++ b/source/blender/writestreamglue/intern/Makefile
@@ -58,7 +58,6 @@ CPPFLAGS += -I../../blenloader
 
 CPPFLAGS += -I../../deflate
 CPPFLAGS += -I../../encrypt
-CPPFLAGS += -I../../sign
 
 CPPFLAGS += -I$(NAN_OPENSSL)/include