diff --git a/GNUmakefile b/GNUmakefile
index e12170a..9426c35 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -19,20 +19,22 @@ Performance_OBJC_FILES += \
 	GSThroughput.m \
 	GSTicker.m \
 
+
 Performance_HEADER_FILES += \
 	Performance.h \
 	GSCache.h \
 	GSThroughput.h \
 	GSTicker.h \
 
+
 Performance_AGSDOC_FILES += \
 	GSCache.h \
 	GSThroughput.h \
 	GSTicker.h
 
+
 # Optional Java wrappers for the library
 JAVA_WRAPPER_NAME = Performance
-Performance_HEADER_FILES=Performance.jigs.h
 
 #
 # Assume that the use of the gnu runtime means we have the gnustep
diff --git a/GNUmakefile.preamble b/GNUmakefile.preamble
index 324b2a6..c015f77 100644
--- a/GNUmakefile.preamble
+++ b/GNUmakefile.preamble
@@ -21,7 +21,7 @@
 # ADDITIONAL_CFLAGS += 
 
 # Additional include directories the compiler should search
-# ADDITIONAL_INCLUDE_DIRS += 
+ADDITIONAL_INCLUDE_DIRS += -I..
 
 # Additional LDFLAGS to pass to the linker
 # ADDITIONAL_LDFLAGS += 
diff --git a/Performance.jigs.h b/Performance.jigs.h
deleted file mode 100644
index 0fd295a..0000000
--- a/Performance.jigs.h
+++ /dev/null
@@ -1,5 +0,0 @@
-
-#include "GSCache.h"
-#include "GSThroughput.h"
-#include "GSTicker.h"
-