diff --git a/TODO b/TODO
index 5c962f5b..9c434c7c 100644
--- a/TODO
+++ b/TODO
@@ -171,9 +171,6 @@ class in the printers/destructors, which is not good for an operator<<
 since it is no longer bound to a particular parser, it's just a
 (standalone symbol).
 
-** Rename LR0.cc
-as lr0.cc, why upper case?
-
 * Various
 ** Rewrite glr.cc in C++
 As a matter of fact, it would be very interesting to see how much we can
diff --git a/src/conflicts.c b/src/conflicts.c
index f81d8318..c849e898 100644
--- a/src/conflicts.c
+++ b/src/conflicts.c
@@ -23,13 +23,13 @@
 
 #include <bitset.h>
 
-#include "LR0.h"
 #include "complain.h"
 #include "conflicts.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "print-xml.h"
 #include "reader.h"
 #include "state.h"
diff --git a/src/ielr.c b/src/ielr.c
index 867b8a0a..a205a87d 100644
--- a/src/ielr.c
+++ b/src/ielr.c
@@ -540,7 +540,7 @@ typedef struct state_list
   /**
    * nextIsocore is the next state in a circularly linked-list of all states
    * with the same core.  The one originally computed by generate_states in
-   * LR0.c is lr0Isocore.
+   * lr0.c is lr0Isocore.
    */
   struct state_list *lr0Isocore;
   struct state_list *nextIsocore;
diff --git a/src/lalr.c b/src/lalr.c
index 0f1149d7..4255650c 100644
--- a/src/lalr.c
+++ b/src/lalr.c
@@ -28,12 +28,12 @@
 #include <bitset.h>
 #include <bitsetv.h>
 
-#include "LR0.h"
 #include "complain.h"
 #include "derives.h"
 #include "getargs.h"
 #include "gram.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "muscle-tab.h"
 #include "nullable.h"
 #include "reader.h"
diff --git a/src/local.mk b/src/local.mk
index b6161fbb..4b0a0ff5 100644
--- a/src/local.mk
+++ b/src/local.mk
@@ -30,8 +30,6 @@ src_bison_SOURCES =                             \
   src/AnnotationList.h                          \
   src/InadequacyList.c                          \
   src/InadequacyList.h                          \
-  src/LR0.c                                     \
-  src/LR0.h                                     \
   src/Sbitset.c                                 \
   src/Sbitset.h                                 \
   src/assoc.c                                   \
@@ -61,6 +59,8 @@ src_bison_SOURCES =                             \
   src/lalr.h                                    \
   src/location.c                                \
   src/location.h                                \
+  src/lr0.c                                     \
+  src/lr0.h                                     \
   src/main.c                                    \
   src/muscle-tab.c                              \
   src/muscle-tab.h                              \
diff --git a/src/LR0.c b/src/lr0.c
similarity index 99%
rename from src/LR0.c
rename to src/lr0.c
index d977d364..f7f40d8e 100644
--- a/src/LR0.c
+++ b/src/lr0.c
@@ -27,12 +27,12 @@
 
 #include <bitset.h>
 
-#include "LR0.h"
 #include "closure.h"
 #include "complain.h"
 #include "getargs.h"
 #include "gram.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "reader.h"
 #include "reduce.h"
 #include "state.h"
diff --git a/src/LR0.h b/src/lr0.h
similarity index 100%
rename from src/LR0.h
rename to src/lr0.h
diff --git a/src/main.c b/src/main.c
index 9ea92366..b56fae78 100644
--- a/src/main.c
+++ b/src/main.c
@@ -30,7 +30,6 @@
 #include <relocatable.h> /* relocate2 */
 #include <timevar.h>
 
-#include "LR0.h"
 #include "closeout.h"
 #include "complain.h"
 #include "conflicts.h"
@@ -41,6 +40,7 @@
 #include "gram.h"
 #include "ielr.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "muscle-tab.h"
 #include "nullable.h"
 #include "output.h"
diff --git a/src/print-graph.c b/src/print-graph.c
index 81280afc..302c7f72 100644
--- a/src/print-graph.c
+++ b/src/print-graph.c
@@ -21,7 +21,6 @@
 #include <config.h>
 #include "system.h"
 
-#include "LR0.h"
 #include "closure.h"
 #include "complain.h"
 #include "conflicts.h"
@@ -30,6 +29,7 @@
 #include "gram.h"
 #include "graphviz.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "print-graph.h"
 #include "reader.h"
 #include "state.h"
diff --git a/src/print-xml.c b/src/print-xml.c
index b251e150..b3c46a33 100644
--- a/src/print-xml.c
+++ b/src/print-xml.c
@@ -25,15 +25,15 @@
 
 #include <bitset.h>
 
-#include "LR0.h"
 #include "closure.h"
 #include "conflicts.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "lalr.h"
-#include "print.h"
+#include "lr0.h"
 #include "print-xml.h"
+#include "print.h"
 #include "reader.h"
 #include "reduce.h"
 #include "state.h"
diff --git a/src/print.c b/src/print.c
index 60bb2b36..365830ff 100644
--- a/src/print.c
+++ b/src/print.c
@@ -23,13 +23,13 @@
 
 #include <bitset.h>
 
-#include "LR0.h"
 #include "closure.h"
 #include "conflicts.h"
 #include "files.h"
 #include "getargs.h"
 #include "gram.h"
 #include "lalr.h"
+#include "lr0.h"
 #include "muscle-tab.h"
 #include "print.h"
 #include "reader.h"