diff --git a/app/rust/include/commitments.h b/app/rust/include/commitments.h
index 9c48b7b1..38a3397a 100644
--- a/app/rust/include/commitments.h
+++ b/app/rust/include/commitments.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <stdint.h>
+
 void compute_nullifier(uint8_t *ncm_ptr, uint64_t note_pos, const uint8_t *nsk_ptr, uint8_t *out_ptr);
 
 void compute_note_commitment(
diff --git a/app/rust/include/notes.h b/app/rust/include/notes.h
index 4fabedf3..5b38739b 100644
--- a/app/rust/include/notes.h
+++ b/app/rust/include/notes.h
@@ -1,5 +1,7 @@
 #pragma once
 
+#include <stdint.h>
+
 void rseed_get_esk_epk(const uint8_t *rseed_ptr, uint8_t *d_ptr, uint8_t *output_esk_ptr, uint8_t *output_epk_ptr);
 
 void rseed_get_rcm(const uint8_t *rseed_ptr, uint8_t *output_ptr);
diff --git a/app/rust/include/zip32.h b/app/rust/include/zip32.h
index bf900865..58d658d5 100644
--- a/app/rust/include/zip32.h
+++ b/app/rust/include/zip32.h
@@ -1,5 +1,8 @@
 #pragma once
 
+#include <stdint.h>
+#include <stdbool.h>
+
 void get_pkd(uint32_t zip32_account, const uint8_t *diversifier_ptr, uint8_t *pkd);
 
 void get_pkd_from_seed(uint32_t zip32_account, const uint8_t *start_index, uint8_t *diversifier_ptr, uint8_t *pkd);
diff --git a/app/src/key.h b/app/src/key.h
index bddb23f8..5183e97a 100644
--- a/app/src/key.h
+++ b/app/src/key.h
@@ -21,6 +21,10 @@
 extern "C" {
 #endif
 
+#include <inttypes.h>
+
+#include "coin.h"
+
 typedef struct {
     key_type_e kind;
     uint8_t len;
diff --git a/app/src/refactor/txid.h b/app/src/refactor/txid.h
index c118d226..ce8a3b14 100644
--- a/app/src/refactor/txid.h
+++ b/app/src/refactor/txid.h
@@ -16,6 +16,11 @@
 
 #pragma once
 
+#include <stdint.h>
+
+#include "zxerror.h"
+#include "sighash.h"
+
 zxerr_t nu5_transparent_prevouts_hash(const uint8_t *input, uint8_t *output);
 
 zxerr_t nu5_transparent_sequence_hash(const uint8_t *input, uint8_t *output);