diff --git a/mypy/checker.py b/mypy/checker.py
index c646ebf3736b..74890aa86cda 100644
--- a/mypy/checker.py
+++ b/mypy/checker.py
@@ -5575,7 +5575,7 @@ def partition_by_callable(
 
         if isinstance(typ, TypeVarType):
             # We could do better probably?
-            # Refine the the type variable's bound as our type in the case that
+            # Refine the type variable's bound as our type in the case that
             # callable() is true. This unfortunately loses the information that
             # the type is a type variable in that branch.
             # This matches what is done for isinstance, but it may be possible to
diff --git a/mypy/main.py b/mypy/main.py
index 3f25ced16106..5991ddd9e62f 100644
--- a/mypy/main.py
+++ b/mypy/main.py
@@ -1479,7 +1479,7 @@ def process_package_roots(
                 root = ""
         package_root.append(root)
     options.package_root = package_root
-    # Pass the package root on the the filesystem cache.
+    # Pass the package root on the filesystem cache.
     fscache.set_package_root(package_root)
 
 
diff --git a/mypy/server/deps.py b/mypy/server/deps.py
index 9ed2d4549629..6376600ffc0c 100644
--- a/mypy/server/deps.py
+++ b/mypy/server/deps.py
@@ -56,7 +56,7 @@ class 'mod.Cls'. This can also refer to an attribute inherited from a
 * 'mod.Cls' represents each method in class 'mod.Cls' + the top-level of the
   module 'mod'. (To simplify the implementation, there is no location that only
   includes the body of a class without the entire surrounding module top level.)
-* Trigger '<...>' as a location is an indirect way of referring to to all
+* Trigger '<...>' as a location is an indirect way of referring to all
   locations triggered by the trigger. These indirect locations keep the
   dependency map smaller and easier to manage.
 
diff --git a/mypy/util.py b/mypy/util.py
index 2eac2a86dfd0..3c550958a659 100644
--- a/mypy/util.py
+++ b/mypy/util.py
@@ -201,7 +201,7 @@ def trim_source_line(line: str, max_len: int, col: int, min_width: int) -> tuple
     A typical result looks like this:
         ...some_variable = function_to_call(one_arg, other_arg) or...
 
-    Return the trimmed string and the column offset to to adjust error location.
+    Return the trimmed string and the column offset to adjust error location.
     """
     if max_len < 2 * min_width + 1:
         # In case the window is too tiny it is better to still show something.
diff --git a/mypyc/external/googletest/src/gtest.cc b/mypyc/external/googletest/src/gtest.cc
index d882ab2e36a1..4df3bd6b418a 100644
--- a/mypyc/external/googletest/src/gtest.cc
+++ b/mypyc/external/googletest/src/gtest.cc
@@ -1784,7 +1784,7 @@ std::string CodePointToUtf8(UInt32 code_point) {
   return str;
 }
 
-// The following two functions only make sense if the the system
+// The following two functions only make sense if the system
 // uses UTF-16 for wide string encoding. All supported systems
 // with 16 bit wchar_t (Windows, Cygwin, Symbian OS) do use UTF-16.