diff --git a/.gitmodules b/.gitmodules
index 53b5efdb..e69de29b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +0,0 @@
-[submodule "tools/icdiff.git"]
-	path = tools/icdiff.git
-	url = https://github.com/jeffkaufman/icdiff.git
diff --git a/tools/git-icdiff b/tools/git-icdiff
deleted file mode 120000
index 489d6291..00000000
--- a/tools/git-icdiff
+++ /dev/null
@@ -1 +0,0 @@
-icdiff.git/git-icdiff
\ No newline at end of file
diff --git a/tools/icdiff b/tools/icdiff
deleted file mode 120000
index d7a08b93..00000000
--- a/tools/icdiff
+++ /dev/null
@@ -1 +0,0 @@
-icdiff.git/icdiff
\ No newline at end of file
diff --git a/tools/icdiff.git b/tools/icdiff.git
deleted file mode 160000
index eb5a269f..00000000
--- a/tools/icdiff.git
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit eb5a269f27370bddb16317e9eba6f0795705907b