--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -151,27 +151,8 @@ set( HAVE_LIBOPENJPEG 0 )
 
 if( ENABLE_JPG )
 
-    # Note: This is a deprecated feature but we need it to find Jasper at ECMWF.
-    #       ecbuild_add_extra_search_paths modifies CMAKE_PREFIX_PATH
-    #       which can affect future package discovery if not undone by the caller.
-    #       The current CMAKE_PREFIX_PATH is backed up as _CMAKE_PREFIX_PATH
-    #
-    set(CMAKE_WARN_DEPRECATED OFF) # Suppress deprecation message
-    ecbuild_add_extra_search_paths( jasper )
-    find_package( Jasper )
-    set(CMAKE_PREFIX_PATH ${_CMAKE_PREFIX_PATH})    # Restore CMAKE_PREFIX_PATH
-    set(CMAKE_WARN_DEPRECATED ON)  # Remove suppression
-
     find_package( OpenJPEG )
 
-    if( JASPER_FOUND )
-        list( APPEND ECCODES_TPLS Jasper )
-        set( HAVE_JPEG 1 )
-        set( HAVE_LIBJASPER 1 )
-        # Extract Jasper's major version number to enable conditional code. See ECC-396
-        string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" JASPER_VERSION_MAJOR "${JASPER_VERSION_STRING}")
-    endif()
-
     if( OPENJPEG_FOUND )
         list( APPEND ECCODES_TPLS OpenJPEG )
         set( HAVE_JPEG 1 )