diff --git a/melior/src/pass.rs b/melior/src/pass.rs
index 6e5d0dddfb..ae9d5995fa 100644
--- a/melior/src/pass.rs
+++ b/melior/src/pass.rs
@@ -24,6 +24,7 @@ impl Pass {
         self.raw
     }
 
+    #[doc(hidden)]
     pub fn __private_from_raw_fn(create_raw: unsafe extern "C" fn() -> MlirPass) -> Self {
         Self::from_raw_fn(create_raw)
     }
diff --git a/tools/all_api.sh b/tools/api/all.sh
similarity index 100%
rename from tools/all_api.sh
rename to tools/api/all.sh
diff --git a/tools/api_completeness.sh b/tools/api/coverage.sh
similarity index 100%
rename from tools/api_completeness.sh
rename to tools/api/coverage.sh
diff --git a/tools/api/difference.sh b/tools/api/difference.sh
new file mode 100755
index 0000000000..edf412aae3
--- /dev/null
+++ b/tools/api/difference.sh
@@ -0,0 +1,14 @@
+#!/bin/sh
+
+set -e
+
+. $(dirname $0)/utility.sh
+
+directory=/tmp/melior
+
+mkdir -p $directory
+
+implemented_api >$directory/implemented.txt
+all_api >$directory/all.txt
+
+diff -u $directory/implemented.txt $directory/all.txt | grep '^+[mM]' | sed s/^.//
diff --git a/tools/utility.sh b/tools/api/utility.sh
similarity index 84%
rename from tools/utility.sh
rename to tools/api/utility.sh
index 41850c7e50..b1c182d1aa 100644
--- a/tools/utility.sh
+++ b/tools/api/utility.sh
@@ -1,5 +1,3 @@
-directory=$(dirname $0)
-
 count() {
   wc -l
 }
@@ -10,7 +8,7 @@ filter_api() {
 
 implemented_api() {
   (
-    cd $directory/../melior
+    cd $(dirname $0)/../../melior
 
     cargo install cargo-expand
     cargo expand | filter_api
diff --git a/tools/api_difference.sh b/tools/api_difference.sh
deleted file mode 100755
index 1bed956e14..0000000000
--- a/tools/api_difference.sh
+++ /dev/null
@@ -1,12 +0,0 @@
-#!/bin/sh
-
-set -e
-
-. $(dirname $0)/utility.sh
-
-mkdir -p /tmp/melior
-
-implemented_api >/tmp/melior/implemented.txt
-all_api >/tmp/all.txt
-
-diff -u /tmp/implemented.txt /tmp/all.txt | grep '^+[mM]' | sed s/^.//