diff --git a/spec/std/thread/condition_variable_spec.cr b/spec/std/thread/condition_variable_spec.cr
index 568f2ea35c31..36e1963794b3 100644
--- a/spec/std/thread/condition_variable_spec.cr
+++ b/spec/std/thread/condition_variable_spec.cr
@@ -1,5 +1,3 @@
-{% skip_file if flag?(:win32) %} # FIXME: enable after #11647
-
 {% if flag?(:musl) %}
   # FIXME: These thread specs occasionally fail on musl/alpine based ci, so
   # they're disabled for now to reduce noise.
diff --git a/spec/std/thread/mutex_spec.cr b/spec/std/thread/mutex_spec.cr
index 405c812b0888..d028ffdd8f8a 100644
--- a/spec/std/thread/mutex_spec.cr
+++ b/spec/std/thread/mutex_spec.cr
@@ -1,5 +1,3 @@
-{% skip_file if flag?(:win32) %} # FIXME: enable after #11647
-
 {% if flag?(:musl) %}
   # FIXME: These thread specs occasionally fail on musl/alpine based ci, so
   # they're disabled for now to reduce noise.
diff --git a/spec/std/thread_spec.cr b/spec/std/thread_spec.cr
index 7d3e51a92972..599a1968f52f 100644
--- a/spec/std/thread_spec.cr
+++ b/spec/std/thread_spec.cr
@@ -1,5 +1,3 @@
-{% skip_file if flag?(:win32) %} # FIXME: enable after #11647
-
 require "spec"
 
 {% if flag?(:musl) %}