diff --git a/src/liblzma/common/Makefile.am b/src/liblzma/common/Makefile.am
index e8794b5b..20f3f93b 100644
--- a/src/liblzma/common/Makefile.am
+++ b/src/liblzma/common/Makefile.am
@@ -39,7 +39,6 @@ libcommon_la_SOURCES = \
 
 if COND_MAIN_ENCODER
 libcommon_la_SOURCES += \
-	alignment.c \
 	alone_encoder.c \
 	block_encoder.c \
 	block_encoder.h \