diff --git a/examples/compose/plot_compare_reduction.py b/examples/compose/plot_compare_reduction.py
index 515c260b58181..d10f1e9d305a2 100755
--- a/examples/compose/plot_compare_reduction.py
+++ b/examples/compose/plot_compare_reduction.py
@@ -63,7 +63,7 @@
 ]
 reducer_labels = ['PCA', 'NMF', 'KBest(chi2)']
 
-grid = GridSearchCV(pipe, cv=5, n_jobs=1, param_grid=param_grid)
+grid = GridSearchCV(pipe, cv=3, n_jobs=1, param_grid=param_grid)
 digits = load_digits()
 grid.fit(digits.data, digits.target)
 
@@ -113,7 +113,7 @@
                        memory=memory)
 
 # This time, a cached pipeline will be used within the grid search
-grid = GridSearchCV(cached_pipe, cv=5, n_jobs=1, param_grid=param_grid)
+grid = GridSearchCV(cached_pipe, cv=3, n_jobs=1, param_grid=param_grid)
 digits = load_digits()
 grid.fit(digits.data, digits.target)