diff --git a/src/native/common/arb/Makefile.am b/src/native/common/arb/Makefile.am
index 4c77db32..b9fa8d7d 100644
--- a/src/native/common/arb/Makefile.am
+++ b/src/native/common/arb/Makefile.am
@@ -5,12 +5,10 @@ INCLUDES=-I..
 SRC = org_lwjgl_opengl_ARBBufferObject.cpp \
 	org_lwjgl_opengl_ARBDrawBuffers.cpp \
 	org_lwjgl_opengl_ARBProgram.cpp \
-	org_lwjgl_opengl_ARBProgram.cpp \
 	org_lwjgl_opengl_ARBMatrixPalette.cpp \
 	org_lwjgl_opengl_ARBMultisample.cpp \
 	org_lwjgl_opengl_ARBMultitexture.cpp \
 	org_lwjgl_opengl_ARBPointParameters.cpp \
-	org_lwjgl_opengl_ARBProgram.cpp \
 	org_lwjgl_opengl_ARBTextureCompression.cpp \
 	org_lwjgl_opengl_ARBTransposeMatrix.cpp \
 	org_lwjgl_opengl_ARBVertexBlend.cpp \
diff --git a/src/native/common/ati/Makefile.am b/src/native/common/ati/Makefile.am
index 03641f5d..fe0ee341 100644
--- a/src/native/common/ati/Makefile.am
+++ b/src/native/common/ati/Makefile.am
@@ -3,7 +3,6 @@ noinst_LTLIBRARIES = libati.la
 libati_la_SOURCES = $(SRC)
 INCLUDES=-I..
 SRC=org_lwjgl_opengl_ATIElementArray.cpp \
-    org_lwjgl_opengl_ATIElementArray.cpp \
     org_lwjgl_opengl_ATIEnvmapBumpmap.cpp \
     org_lwjgl_opengl_ATIFragmentShader.cpp \
     org_lwjgl_opengl_ATIPnTriangles.cpp \