diff --git a/Testing/GNUmakefile.preamble b/Testing/GNUmakefile.preamble
index 909088a1b..8b8f52d94 100644
--- a/Testing/GNUmakefile.preamble
+++ b/Testing/GNUmakefile.preamble
@@ -27,7 +27,7 @@ ADDITIONAL_INCLUDE_DIRS += -I../Headers -I$(GNUSTEP_SYSTEM_ROOT)/Headers
 # ADDITIONAL_LDFLAGS += 
 
 # Additional library directories the linker should search
-ADDITIONAL_LIB_DIRS += -L../Source/$(GNUSTEP_OBJ_DIR)
+ADDITIONAL_LIB_DIRS +=
 
 # Additional libraries when linking tools
 ADDITIONAL_TOOL_LIBS += -lgnustep-gui -ltiff
diff --git a/Testing/testpb.m b/Testing/testpb.m
index d5e4624f6..5c45e343c 100755
--- a/Testing/testpb.m
+++ b/Testing/testpb.m
@@ -4,6 +4,21 @@
 #include <Foundation/NSAutoreleasePool.h>
 #include <AppKit/NSPasteboard.h>
 
+BOOL
+initialize_gnustep_backend(void)
+{
+  /* Dummy replacement for the xdps function */
+  return YES;
+}
+
+@interface	GMModel: NSObject
+{
+}
+@end
+
+@implementation	GMModel
+@end
+
 @interface	pbOwner : NSObject
 {
 }
diff --git a/Tools/gpbs.m b/Tools/gpbs.m
index 5c68980ea..e60ee60cc 100644
--- a/Tools/gpbs.m
+++ b/Tools/gpbs.m
@@ -57,6 +57,15 @@ initialize_gnustep_backend(void)
   return YES;
 }
 
+@interface	GMModel: NSObject
+{
+}
+@end
+
+@implementation	GMModel
+@end
+
+
 @class PasteboardServer;
 
 int	debug = 0;