diff --git a/libraries/native/intrinsics.cpp b/libraries/native/intrinsics.cpp
index c3bd56271..dc4e3d5b8 100644
--- a/libraries/native/intrinsics.cpp
+++ b/libraries/native/intrinsics.cpp
@@ -274,9 +274,6 @@ extern "C" {
                                   ) {
       return intrinsics::get().call<intrinsics::check_permission_authorization>(account, permission, pubkeys_data, pubkeys_size, perms_data, perms_size, delay_us);
    }
-   int64_t get_permission_last_used( capi_name account, capi_name permission ) {
-      return intrinsics::get().call<intrinsics::get_permission_last_used>(account, permission);
-   }
    int64_t get_account_creation_time( capi_name account ) {
       return intrinsics::get().call<intrinsics::get_account_creation_time>(account);
    }
diff --git a/libraries/native/native/sysio/intrinsics_def.hpp b/libraries/native/native/sysio/intrinsics_def.hpp
index e319c9347..7d1bbe0e6 100644
--- a/libraries/native/native/sysio/intrinsics_def.hpp
+++ b/libraries/native/native/sysio/intrinsics_def.hpp
@@ -126,7 +126,6 @@ intrinsic_macro(sha512) \
 intrinsic_macro(ripemd160) \
 intrinsic_macro(check_transaction_authorization) \
 intrinsic_macro(check_permission_authorization) \
-intrinsic_macro(get_permission_last_used) \
 intrinsic_macro(get_account_creation_time) \
 intrinsic_macro(current_time) \
 intrinsic_macro(publication_time) \
diff --git a/libraries/sysiolib/capi/sysio/permission.h b/libraries/sysiolib/capi/sysio/permission.h
index 2130ae6e9..1b63f40b3 100644
--- a/libraries/sysiolib/capi/sysio/permission.h
+++ b/libraries/sysiolib/capi/sysio/permission.h
@@ -57,18 +57,6 @@ check_permission_authorization( capi_name account,
                                 uint64_t delay_us
                               );
 
-/**
- *  Returns the last used time of a permission
- *
- *  @param account    - the account owner of the permission
- *  @param permission - the name of the permission
- *
- *  @return the last used time (in microseconds since Unix epoch) of the permission
- */
-__attribute__((sysio_wasm_import))
-int64_t get_permission_last_used( capi_name account, capi_name permission );
-
-
 /**
  *  Returns the creation time of an account
  *
diff --git a/libraries/sysiolib/contracts/sysio/permission.hpp b/libraries/sysiolib/contracts/sysio/permission.hpp
index 2a267121b..7db9e6ea9 100644
--- a/libraries/sysiolib/contracts/sysio/permission.hpp
+++ b/libraries/sysiolib/contracts/sysio/permission.hpp
@@ -24,9 +24,6 @@ namespace sysio {
                                                  const char*, uint32_t,
                                                  const char*, uint32_t,
                                                  uint64_t);
-         __attribute__((sysio_wasm_import))
-         int64_t get_permission_last_used(uint64_t, uint64_t);
-
          __attribute__((sysio_wasm_import))
          int64_t get_account_creation_time(uint64_t);
       }
@@ -173,23 +170,6 @@ namespace sysio {
       return (res > 0);
    }
 
-   /**
-    *  Returns the last used time of a permission
-    *
-    *  @ingroup permission
-    *
-    *  @param account    - the account owner of the permission
-    *  @param permission - the name of the permission
-    *
-    *  @return the last used time (in microseconds since Unix epoch) of the permission
-    */
-   time_point get_permission_last_used( name account, name permission ) {
-      return time_point(
-               microseconds(
-                  internal_use_do_not_use::get_permission_last_used(account.value, permission.value)));
-
-   }
-
    /**
     *  Returns the creation time of an account
     *
diff --git a/tests/unit/test_contracts/capi/permission.c b/tests/unit/test_contracts/capi/permission.c
index 35db62d17..1b966cef7 100644
--- a/tests/unit/test_contracts/capi/permission.c
+++ b/tests/unit/test_contracts/capi/permission.c
@@ -4,6 +4,5 @@
 void test_permission( void ) {
    check_transaction_authorization(NULL, 0, NULL, 0, NULL, 0);
    check_permission_authorization(0, 0, NULL, 0, NULL, 0, 0);
-   get_permission_last_used(0, 0);
    get_account_creation_time(0);
 }