diff --git a/db/sqlite3/src/moz.build b/db/sqlite3/src/moz.build
index b5016fe93809..be44e843332c 100644
--- a/db/sqlite3/src/moz.build
+++ b/db/sqlite3/src/moz.build
@@ -83,6 +83,7 @@ if CONFIG['OS_ARCH'] == 'WINNT' and CONFIG['MOZ_MEMORY']:
 # Omit unused functions to save some library footprint.
 DEFINES['SQLITE_OMIT_DEPRECATED'] = True
 DEFINES['SQLITE_OMIT_BUILTIN_TEST'] = True
+DEFINES['SQLITE_OMIT_DECLTYPE'] = True
 
 # Suppress warnings in third-party code.
 if CONFIG['GNU_CC']:
diff --git a/db/sqlite3/src/sqlite.symbols b/db/sqlite3/src/sqlite.symbols
index 640ee4382f8f..58110f2df8f3 100644
--- a/db/sqlite3/src/sqlite.symbols
+++ b/db/sqlite3/src/sqlite.symbols
@@ -26,8 +26,6 @@ sqlite3_column_blob
 sqlite3_column_bytes
 sqlite3_column_bytes16
 sqlite3_column_count
-sqlite3_column_decltype
-sqlite3_column_decltype16
 sqlite3_column_double
 sqlite3_column_int
 sqlite3_column_int64
diff --git a/storage/mozIStorageStatement.idl b/storage/mozIStorageStatement.idl
index 28abc59791e8..a264cfdfab14 100644
--- a/storage/mozIStorageStatement.idl
+++ b/storage/mozIStorageStatement.idl
@@ -65,16 +65,6 @@ interface mozIStorageStatement : mozIStorageBaseStatement {
    */
   unsigned long getColumnIndex(in AUTF8String aName);
 
-  /**
-   * Obtains the declared column type of a prepared statement.
-   *
-   * @param aParamIndex
-   *        The zero-based index of the column who's declared type we are
-   *        interested in.
-   * @return the declared index type.
-   */
-  AUTF8String getColumnDecltype(in unsigned long aParamIndex);
-
   /**
    * Reset parameters/statement execution
    */
diff --git a/storage/mozStorageStatement.cpp b/storage/mozStorageStatement.cpp
index 6f032dde54a8..7210274d0f6d 100644
--- a/storage/mozStorageStatement.cpp
+++ b/storage/mozStorageStatement.cpp
@@ -652,19 +652,6 @@ Statement::GetState(int32_t *_state)
   return NS_OK;
 }
 
-NS_IMETHODIMP
-Statement::GetColumnDecltype(uint32_t aParamIndex,
-                             nsACString &_declType)
-{
-  if (!mDBStatement)
-    return NS_ERROR_NOT_INITIALIZED;
-
-  ENSURE_INDEX_VALUE(aParamIndex, mResultColumnCount);
-
-  _declType.Assign(::sqlite3_column_decltype(mDBStatement, aParamIndex));
-  return NS_OK;
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 //// mozIStorageValueArray (now part of mozIStorageStatement too)
 
diff --git a/storage/test/unit/test_storage_statement.js b/storage/test/unit/test_storage_statement.js
index 7e2841f9a3fc..026e271ac5f0 100644
--- a/storage/test/unit/test_storage_statement.js
+++ b/storage/test/unit/test_storage_statement.js
@@ -130,20 +130,6 @@ function test_state_after_finalize()
   do_check_eq(Ci.mozIStorageStatement.MOZ_STORAGE_STATEMENT_INVALID, stmt.state);
 }
 
-function test_getColumnDecltype()
-{
-  var stmt = createStatement("SELECT name, id FROM test");
-  do_check_eq("TEXT", stmt.getColumnDecltype(0));
-  do_check_eq("INTEGER", stmt.getColumnDecltype(1));
-  try {
-    do_check_eq("GARBAGE", stmt.getColumnDecltype(2));
-    do_throw("should not get here");
-  } catch (e) {
-    do_check_eq(Cr.NS_ERROR_ILLEGAL_VALUE, e.result);
-  }
-  stmt.finalize();
-}
-
 function test_failed_execute()
 {
   var stmt = createStatement("INSERT INTO test (name) VALUES ('foo')");
@@ -181,7 +167,6 @@ var tests = [test_parameterCount_none, test_parameterCount_one,
              test_getColumnName, test_getColumnIndex_same_case,
              test_getColumnIndex_different_case, test_state_ready,
              test_state_executing, test_state_after_finalize,
-             test_getColumnDecltype,
              test_failed_execute,
              test_bind_undefined,
 ];