diff --git a/libopenfpga/libfpgabitstream/src/bitstream_manager.cpp b/libopenfpga/libfpgabitstream/src/bitstream_manager.cpp
index 557bca551..2e9c833a4 100644
--- a/libopenfpga/libfpgabitstream/src/bitstream_manager.cpp
+++ b/libopenfpga/libfpgabitstream/src/bitstream_manager.cpp
@@ -72,31 +72,6 @@ std::vector<ConfigBitId> BitstreamManager::block_bits(const ConfigBlockId& block
   return block_bit_ids_[block_id];
 }
 
-ConfigBlockId BitstreamManager::bit_parent_block(const ConfigBitId& bit_id) const {
-  /* Ensure the input ids are valid */
-  VTR_ASSERT(true == valid_bit_id(bit_id));
-
-  return bit_parent_block_ids_[bit_id];
-}
-
-size_t BitstreamManager::bit_index_in_parent_block(const ConfigBitId& bit_id) const {
-  /* Ensure the input ids are valid */
-  VTR_ASSERT(true == valid_bit_id(bit_id));
-
-  ConfigBlockId bit_parent_block = bit_parent_block_ids_[bit_id];
-
-  VTR_ASSERT(true == valid_block_id(bit_parent_block));
-
-  for (size_t index = 0; index < block_bits(bit_parent_block).size(); ++index) {
-    if (bit_id == block_bits(bit_parent_block)[index]) {
-      return index;
-    }
-  }
-
-  /* Not found, return in valid value */
-  return size_t(-1); 
-}
-
 /* Find the child block in a bitstream manager with a given name */
 ConfigBlockId BitstreamManager::find_child_block(const ConfigBlockId& block_id, 
                                                  const std::string& child_block_name) const {
@@ -153,7 +128,6 @@ ConfigBitId BitstreamManager::add_bit(const bool& bit_value) {
   } else {
     bit_values_.push_back('0');
   }
-  bit_parent_block_ids_.push_back(ConfigBlockId::INVALID());
 
   return bit; 
 }
@@ -170,7 +144,6 @@ void BitstreamManager::reserve_blocks(const size_t& num_blocks) {
 
 void BitstreamManager::reserve_bits(const size_t& num_bits) {
   bit_values_.reserve(num_bits);
-  bit_parent_block_ids_.reserve(num_bits);
 }
 
 ConfigBlockId BitstreamManager::create_block() {
@@ -233,13 +206,8 @@ void BitstreamManager::add_bit_to_block(const ConfigBlockId& block, const Config
   VTR_ASSERT(true == valid_block_id(block));
   VTR_ASSERT(true == valid_bit_id(bit));
 
-  /* We should have only a parent block for each bit! */
-  VTR_ASSERT(ConfigBlockId::INVALID() == bit_parent_block_ids_[bit]);
-
   /* Add the bit to the block */
   block_bit_ids_[block].push_back(bit);
-  /* Register the block in the parent of the bit */
-  bit_parent_block_ids_[bit] = block;
 }
 
 void BitstreamManager::add_path_id_to_block(const ConfigBlockId& block, const int& path_id) {
diff --git a/libopenfpga/libfpgabitstream/src/bitstream_manager.h b/libopenfpga/libfpgabitstream/src/bitstream_manager.h
index 151f0817a..b3553cb15 100644
--- a/libopenfpga/libfpgabitstream/src/bitstream_manager.h
+++ b/libopenfpga/libfpgabitstream/src/bitstream_manager.h
@@ -129,12 +129,6 @@ class BitstreamManager {
     /* Find all the bits that belong to a block */
     std::vector<ConfigBitId> block_bits(const ConfigBlockId& block_id) const;
 
-    /* Find the parent block of a bit */
-    ConfigBlockId bit_parent_block(const ConfigBitId& bit_id) const;
-
-    /* Find the index of a configuration bit in its parent block */
-    size_t bit_index_in_parent_block(const ConfigBitId& bit_id) const; 
-
     /* Find the child block in a bitstream manager with a given name */
     ConfigBlockId find_child_block(const ConfigBlockId& block_id, const std::string& child_block_name) const;
 
@@ -241,7 +235,6 @@ class BitstreamManager {
     /* Unique id of a bit in the Bitstream */
     size_t num_bits_; 
     std::unordered_set<ConfigBitId> invalid_bit_ids_; 
-    vtr::vector<ConfigBitId, ConfigBlockId> bit_parent_block_ids_;
     /* value of a bit in the Bitstream */
     vtr::vector<ConfigBitId, char> bit_values_;
 };