diff --git a/src/ripple/app/hook/Enum.h b/src/ripple/app/hook/Enum.h
index 12dd63379..79d07ce9d 100644
--- a/src/ripple/app/hook/Enum.h
+++ b/src/ripple/app/hook/Enum.h
@@ -578,10 +578,12 @@ namespace hook_api
         "hook_skip",
         "hook_again",
         "meta_slot",
+/*        
         "str_find",
         "str_replace",
         "str_concat",
         "str_compare"
+*/
     };
 };
 #endif
diff --git a/src/ripple/app/hook/applyHook.h b/src/ripple/app/hook/applyHook.h
index 5ae1086c3..e201c60cb 100644
--- a/src/ripple/app/hook/applyHook.h
+++ b/src/ripple/app/hook/applyHook.h
@@ -202,7 +202,7 @@ namespace hook_api
 
     DECLARE_HOOK_FUNCTION(int64_t,  meta_slot,          uint32_t slot_no );
 
-
+/*
     DECLARE_HOOK_FUNCTION(int64_t,  str_find,           uint32_t hread_ptr, uint32_t hread_len,
                                                         uint32_t nread_ptr, uint32_t nread_len,
                                                         uint32_t mode,      uint32_t n);
@@ -217,7 +217,7 @@ namespace hook_api
     DECLARE_HOOK_FUNCTION(int64_t,  str_concat,         uint32_t write_ptr, uint32_t write_len,
                                                         uint32_t read_ptr,  uint32_t read_len,
                                                         uint64_t operand,   uint32_t operand_type);
-
+*/
 } /* end namespace hook_api */
 
 namespace hook
@@ -619,11 +619,12 @@ namespace hook
 
             ADD_HOOK_FUNCTION(meta_slot, ctx);
 
-
+            /*
             ADD_HOOK_FUNCTION(str_find, ctx);
             ADD_HOOK_FUNCTION(str_replace, ctx);
             ADD_HOOK_FUNCTION(str_compare, ctx);
             ADD_HOOK_FUNCTION(str_concat, ctx);
+            */
 
             WasmEdge_TableInstanceContext* hostTable = WasmEdge_TableInstanceCreate(tableType);
             WasmEdge_ModuleInstanceAddTable(importObj, tableName, hostTable);
diff --git a/src/ripple/app/hook/impl/applyHook.cpp b/src/ripple/app/hook/impl/applyHook.cpp
index b6a9256cd..31a885bf9 100644
--- a/src/ripple/app/hook/impl/applyHook.cpp
+++ b/src/ripple/app/hook/impl/applyHook.cpp
@@ -5092,6 +5092,7 @@ DEFINE_HOOK_FUNCTION(
     return slot_into;
 }
 
+/*
     
 DEFINE_HOOK_FUNCTION(
     int64_t,
@@ -5269,28 +5270,26 @@ findNul(const void* vptr, size_t len)
     return found;
 }
 
-/*
-    Overloaded API:
-    If operand_type == 0:
-        Copy read_ptr/len to write_ptr/len, do nothing else.
-    If operand_type >  0:
-        Copy read_ptr/len to write_ptr/len up to nul terminator, then
-        If operand_type == 1:
-            Concatenate operand as an i32 to the end of the string in write_ptr
-        If operand_type == 2:
-            Concatenate operand as an u32 to the end of the string in write_ptr
-        If operand_type == 3/4:
-            As above with i/u64
-        If operand_type == 5:
-            As above with operand interpreted as an XFL. Top 4 bits of operand_type are
-            precision for this type.
-        If operand_type == 6:
-            Interpret the four most significant bytes of operand as a ptr, and the
-            four least significant bytes as a length.
-            Write the bytes at this location to the end of write_ptr.
-        Finally:
-            Add a nul terminator to the end of write_ptr.
-*/
+//    Overloaded API:
+//    If operand_type == 0:
+//        Copy read_ptr/len to write_ptr/len, do nothing else.
+//    If operand_type >  0:
+//        Copy read_ptr/len to write_ptr/len up to nul terminator, then
+//        If operand_type == 1:
+//            Concatenate operand as an i32 to the end of the string in write_ptr
+//        If operand_type == 2:
+//            Concatenate operand as an u32 to the end of the string in write_ptr
+//        If operand_type == 3/4:
+//            As above with i/u64
+//        If operand_type == 5:
+//            As above with operand interpreted as an XFL. Top 4 bits of operand_type are
+//            precision for this type.
+//        If operand_type == 6:
+//            Interpret the four most significant bytes of operand as a ptr, and the
+//            four least significant bytes as a length.
+//            Write the bytes at this location to the end of write_ptr.
+//        Finally:
+//            Add a nul terminator to the end of write_ptr.
 DEFINE_HOOK_FUNCTION(
     int64_t,
     str_concat,
@@ -5433,3 +5432,5 @@ DEFINE_HOOK_FUNCTION(
             return INVALID_ARGUMENT;
     }
 }
+*/
+
diff --git a/src/test/app/SetHook_test.cpp b/src/test/app/SetHook_test.cpp
index 2b862bed4..39220e628 100644
--- a/src/test/app/SetHook_test.cpp
+++ b/src/test/app/SetHook_test.cpp
@@ -7807,6 +7807,7 @@ public:
         env(pay(bob, alice, XRP(1)), M("test sto_validate"), fee(XRP(1)));
     }
 
+    /*
     void
     test_str_compare()
     {
@@ -7826,6 +7827,7 @@ public:
     test_str_replace()
     {
     }
+    */
 
     void
     test_trace()
@@ -9723,10 +9725,12 @@ public:
         test_sto_subfield();        //
         test_sto_validate();        //
 
+        /*
         test_str_compare();
         test_str_concat();
         test_str_find();
         test_str_replace();
+        */
 
         test_trace();
         test_trace_float();