diff --git a/.circleci/config.yml b/.circleci/config.yml
index 5eee1065..f2ac69ba 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -58,13 +58,6 @@ jobs:
           name: Run tests
           command: npm test
 
-  # Warning: Sometimes takes a very long time (>25 minutes) on Circle.
-  # Probably not a good idea to run it from anything but a nightly.
-  test_node_with_long_property_tests:
-    <<: *test_node
-    environment:
-      JASMINE_LONG_PROPERTY_TESTS: y
-
   test_browsers: &test_browsers
     executor: node14
     environment:
@@ -133,10 +126,6 @@ workflows:
           name: test_node_16
           requires:
              - build_node_16
-      - test_node_with_long_property_tests:
-          executor: node14
-          requires:
-             - build_node_14
       - test_node:
           executor: node12
           name: test_node_12
diff --git a/package.json b/package.json
index 354d5c6f..521249e7 100644
--- a/package.json
+++ b/package.json
@@ -37,7 +37,6 @@
     "ejs": "^2.5.5",
     "eslint": "^6.8.0",
     "eslint-plugin-compat": "^3.8.0",
-    "fast-check": "^1.21.0",
     "fast-glob": "^2.2.6",
     "grunt": "^1.0.4",
     "grunt-cli": "^1.3.2",
diff --git a/spec/core/matchers/matchersUtilSpec.js b/spec/core/matchers/matchersUtilSpec.js
index 369f6b5a..465ac7c5 100644
--- a/spec/core/matchers/matchersUtilSpec.js
+++ b/spec/core/matchers/matchersUtilSpec.js
@@ -7,78 +7,6 @@ describe('matchersUtil', function() {
   });
 
   describe('equals', function() {
-    describe('Properties', function() {
-      var fc;
-
-      beforeEach(function() {
-        fc = jasmine.getEnv().requireFastCheck();
-      });
-
-      function basicAnythingSettings() {
-        return {
-          key: fc.oneof(fc.string(), fc.constantFrom('k1', 'k2', 'k3')),
-          // Limiting depth & number of keys allows fast-check to try
-          // a lot more scalar values.
-          maxDepth: 2,
-          maxKeys: 5,
-          withBoxedValues: true,
-          withMap: true,
-          withSet: true
-        };
-      }
-
-      function numRuns() {
-        var many = 5000000;
-
-        // Be thorough but very slow when specified (usually on CI).
-        if (process.env.JASMINE_LONG_PROPERTY_TESTS) {
-          /* eslint-disable-next-line no-console */
-          console.log(
-            'Using',
-            many,
-            'runs of fc.assert because JASMINE_LONG_PROPERTY_TESTS was set. This may take several minutes.'
-          );
-          return many;
-        } else {
-          return undefined;
-        }
-      }
-
-      it('is symmetric', function() {
-        fc.assert(
-          fc.property(
-            fc.anything(basicAnythingSettings()),
-            fc.anything(basicAnythingSettings()),
-            function(a, b) {
-              return (
-                jasmineUnderTest.matchersUtil.equals(a, b) ===
-                jasmineUnderTest.matchersUtil.equals(b, a)
-              );
-            }
-          ),
-          {
-            numRuns: numRuns(),
-            examples: [[0, 5e-324]]
-          }
-        );
-      });
-
-      it('is reflexive', function() {
-        var anythingSettings = basicAnythingSettings();
-        anythingSettings.withMap = false;
-        fc.assert(
-          fc.property(fc.dedup(fc.anything(anythingSettings), 2), function(
-            values
-          ) {
-            return jasmineUnderTest.matchersUtil.equals(values[0], values[1]);
-          }),
-          {
-            numRuns: numRuns()
-          }
-        );
-      });
-    });
-
     it('passes for literals that are triple-equal', function() {
       var matchersUtil = new jasmineUnderTest.MatchersUtil();
       expect(matchersUtil.equals(null, null)).toBe(true);
diff --git a/spec/helpers/requireFastCheck.js b/spec/helpers/requireFastCheck.js
deleted file mode 100644
index 140b8e80..00000000
--- a/spec/helpers/requireFastCheck.js
+++ /dev/null
@@ -1,16 +0,0 @@
-(function(env) {
-  var NODE_JS =
-    typeof process !== 'undefined' &&
-    process.versions &&
-    typeof process.versions.node === 'string';
-
-  env.requireFastCheck = function() {
-    if (!NODE_JS) {
-      env.pending(
-        "Property tests don't run in the browser. Use `npm test` to run them."
-      );
-    }
-
-    return require('fast-check');
-  };
-})(jasmine.getEnv());
diff --git a/spec/support/jasmine-browser.js b/spec/support/jasmine-browser.js
index 4d52f913..ef717010 100644
--- a/spec/support/jasmine-browser.js
+++ b/spec/support/jasmine-browser.js
@@ -28,7 +28,6 @@ module.exports = {
     'helpers/domHelpers.js',
     'helpers/integrationMatchers.js',
     'helpers/promises.js',
-    'helpers/requireFastCheck.js',
     'helpers/defineJasmineUnderTest.js'
   ],
   random: true,
diff --git a/spec/support/jasmine.json b/spec/support/jasmine.json
index f87d05dd..5dc9aad6 100644
--- a/spec/support/jasmine.json
+++ b/spec/support/jasmine.json
@@ -15,7 +15,6 @@
     "helpers/domHelpers.js",
     "helpers/integrationMatchers.js",
     "helpers/promises.js",
-    "helpers/requireFastCheck.js",
     "helpers/overrideConsoleLogForCircleCi.js",
     "helpers/nodeDefineJasmineUnderTest.js"
   ],