diff --git a/CHANGES b/CHANGES
index 5a825cdd..0962c09c 100644
--- a/CHANGES
+++ b/CHANGES
@@ -1,6 +1,9 @@
 lm-sensors CHANGES file
 -----------------------
 
+SVN
+  sensors-detect: Drop PCA9540 detection
+
 3.0.0 (2007-11-24)
   Makefile: Fix MODULE_DIR usage in etc
             Fix build on PPC
diff --git a/prog/detect/sensors-detect b/prog/detect/sensors-detect
index 6f8adecd..a59d9bfa 100755
--- a/prog/detect/sensors-detect
+++ b/prog/detect/sensors-detect
@@ -1461,12 +1461,6 @@ use vars qw(@pci_adapters_sis5595 @pci_adapters_sis645 @pci_adapters_sis96x);
        i2c_addrs => [0x2f],
        i2c_detect => sub { fintek_detect(7, @_); },
      },
-     {
-       name => "Philips Semiconductors PCA9540",
-       driver => "pca9540",
-       i2c_addrs => [0x70],
-       i2c_detect => sub { pca9540_detect(@_); },
-     },
      {
        name => "Smart Battery",
        driver => "smartbatt",
@@ -5213,24 +5207,6 @@ sub fintek_detect
   return 7;
 }
 
-# $_[0]: A reference to the file descriptor to access this chip.
-# $_[1]: Address
-# Returns: undef if not detected, 1 if detected
-# Detection is rather difficult, since the PCA9540 has a single register.
-# Fortunately, no other device is known to live at this address.
-sub pca9540_detect
-{
-	my ($file, $addr) = @_;
-	my $reg = i2c_smbus_read_byte($file);
-
-	return if ($reg & 0xfa);
-	return if $reg != i2c_smbus_read_byte($file);
-	return if $reg != i2c_smbus_read_byte($file);
-	return if $reg != i2c_smbus_read_byte($file);
-
-	return 1;
-}
-
 # This checks for non-FFFF values for temperature, voltage, and current.
 # The address (0x0b) is specified by the SMBus standard so it's likely
 # that this really is a smart battery.