diff --git a/.gitignore b/.gitignore
deleted file mode 100644
index f58b073..0000000
--- a/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-labltklink
-labltkopt
-Makefile.config
-config.status
diff --git a/browser/.gitignore b/browser/.gitignore
deleted file mode 100644
index 8d7632f..0000000
--- a/browser/.gitignore
+++ /dev/null
@@ -1,3 +0,0 @@
-ocamlbrowser
-dummy.mli
-help.ml
diff --git a/camltk/.gitignore b/camltk/.gitignore
deleted file mode 100644
index 81bd183..0000000
--- a/camltk/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-*.ml
-*.mli
-labltktop
-labltk
diff --git a/compiler/.gitignore b/compiler/.gitignore
deleted file mode 100644
index 060114e..0000000
--- a/compiler/.gitignore
+++ /dev/null
@@ -1,11 +0,0 @@
-lexer.ml
-parser.output
-parser.ml
-parser.mli
-tkcompiler
-pp
-copyright.ml
-pplex.ml
-ppyac.ml
-ppyac.output
-ppyac.mli
diff --git a/examples_camltk/.gitignore b/examples_camltk/.gitignore
deleted file mode 100644
index 801812f..0000000
--- a/examples_camltk/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-addition
-eyes
-fileinput
-fileopen
-helloworld
-tetris
-winskel
-mytext
diff --git a/examples_labltk/.gitignore b/examples_labltk/.gitignore
deleted file mode 100644
index c1f6ec6..0000000
--- a/examples_labltk/.gitignore
+++ /dev/null
@@ -1,8 +0,0 @@
-calc
-clock
-demo
-eyes
-hello
-tetris
-lang
-taquin
diff --git a/labltk/.gitignore b/labltk/.gitignore
deleted file mode 100644
index 81bd183..0000000
--- a/labltk/.gitignore
+++ /dev/null
@@ -1,4 +0,0 @@
-*.ml
-*.mli
-labltktop
-labltk
diff --git a/lib/.gitignore b/lib/.gitignore
deleted file mode 100644
index 005295f..0000000
--- a/lib/.gitignore
+++ /dev/null
@@ -1,7 +0,0 @@
-labltktop
-labltk
-mltktop
-mltk
-.depend
-*.ml
-*.mli
diff --git a/support/Makefile.common b/support/Makefile.common
index 8407b06..92f53e5 100644
--- a/support/Makefile.common
+++ b/support/Makefile.common
@@ -25,7 +25,7 @@ CAMLC=$(BINDIR)/ocamlc$(OPT) -g
 CAMLOPT=$(BINDIR)/ocamlopt$(OPT) -g
 CAMLCB=$(BINDIR)/ocamlc -g
 CAMLOPTB=$(BINDIR)/ocamlopt -g
-CAMLCOMP=$(CAMLC) -c -warn-error A-3 -g
+CAMLCOMP=$(CAMLC) -c -w A-3 -g
 CAMLYACC=$(BINDIR)/ocamlyacc -v
 CAMLLEX=$(BINDIR)/ocamllex
 CAMLLIBR=$(CAMLC) -a -g