diff --git a/scripts/dbgbmap.py b/scripts/dbgbmap.py
index 3e10f855..6047aeb8 100755
--- a/scripts/dbgbmap.py
+++ b/scripts/dbgbmap.py
@@ -418,13 +418,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)
@@ -2305,8 +2302,7 @@ class Bptr:
     def fetch(cls, bd, rattr, block, off, size, cksize, cksum):
         # seek/read cksize bytes from the block, the actual data should
         # always be a subset of cksize
-        bd.seek(block)
-        ckdata = bd.read(cksize)
+        ckdata = bd.read(block, 0, cksize)
 
         return cls(rattr, block, off, size, cksize, cksum, ckdata)
 
diff --git a/scripts/dbgbmapd3.py b/scripts/dbgbmapd3.py
index 02ad3f64..17122c67 100755
--- a/scripts/dbgbmapd3.py
+++ b/scripts/dbgbmapd3.py
@@ -447,13 +447,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)
@@ -2334,8 +2331,7 @@ class Bptr:
     def fetch(cls, bd, rattr, block, off, size, cksize, cksum):
         # seek/read cksize bytes from the block, the actual data should
         # always be a subset of cksize
-        bd.seek(block)
-        ckdata = bd.read(cksize)
+        ckdata = bd.read(block, 0, cksize)
 
         return cls(rattr, block, off, size, cksize, cksum, ckdata)
 
diff --git a/scripts/dbgbtree.py b/scripts/dbgbtree.py
index 02964ffc..33d6b7a4 100755
--- a/scripts/dbgbtree.py
+++ b/scripts/dbgbtree.py
@@ -326,13 +326,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)
diff --git a/scripts/dbglfs.py b/scripts/dbglfs.py
index 50951227..51a07281 100755
--- a/scripts/dbglfs.py
+++ b/scripts/dbglfs.py
@@ -375,13 +375,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)
@@ -2262,8 +2259,7 @@ class Bptr:
     def fetch(cls, bd, rattr, block, off, size, cksize, cksum):
         # seek/read cksize bytes from the block, the actual data should
         # always be a subset of cksize
-        bd.seek(block)
-        ckdata = bd.read(cksize)
+        ckdata = bd.read(block, 0, cksize)
 
         return cls(rattr, block, off, size, cksize, cksum, ckdata)
 
diff --git a/scripts/dbgmtree.py b/scripts/dbgmtree.py
index 53fd3696..34d42aa2 100755
--- a/scripts/dbgmtree.py
+++ b/scripts/dbgmtree.py
@@ -341,13 +341,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)
diff --git a/scripts/dbgrbyd.py b/scripts/dbgrbyd.py
index 5013ae6b..2fbb2b40 100755
--- a/scripts/dbgrbyd.py
+++ b/scripts/dbgrbyd.py
@@ -309,13 +309,10 @@ class Bd:
     def repr(self):
         return 'bd %sx%s' % (self.block_size, self.block_count)
 
-    def read(self, size=-1):
+    def read(self, block, off, size):
+        self.f.seek(block*self.block_size + off)
         return self.f.read(size)
 
-    def seek(self, block, off=0, whence=0):
-        pos = self.f.seek(block*self.block_size + off, whence)
-        return pos // self.block_size, pos % self.block_size
-
     def readblock(self, block):
         self.f.seek(block*self.block_size)
         return self.f.read(self.block_size)